Excel年度总收入公式设置：V2限定为T2的20%最大值咨询

Got it, let's break this down step by step since we're dealing with a circular dependency here (T2 depends on V2, and V2 depends on T2). Here's how to find the maximum possible V2 that's no more than 20% of T2:

Step 1: Lay out our knowns and constraints #

We have two key pieces of information:

• The total income formula: T2 = (S2 * 1392) + V2
• The rule for V2: We want the maximum value where V2 ≤ 0.2 * T2 (since we can't exceed 20% of T2)

Step 2: Solve the algebraic relationship #

Since we want the largest possible V2, we can set V2 = 0.2 * T2 (the upper limit of the constraint). Substitute this into the T2 formula:

T2 = (S2 * 1392) + 0.2 * T2

Now rearrange to isolate T2:

T2 - 0.2*T2 = 1392*S2
0.8*T2 = 1392*S2
T2 = (1392*S2) / 0.8

Plug this back into the V2 equation to get its maximum value:

V2 = 0.2 * [(1392*S2)/0.8]

Simplify the calculation (0.2 ÷ 0.8 = 0.25):

V2 = 1392 * S2 * 0.25

Or even simpler, since 1392 ÷ 4 = 348:

V2 = 348 * S2

Step 3: Apply this in your spreadsheet #

Just enter the simplified formula directly into cell V2:
=348*S2

This avoids the circular reference problem entirely because we've solved the relationship algebraically upfront. To verify it works, check the original T2 formula: =(S2*1392)+V2 will equal 1740*S2, and 20% of that total is exactly 348*S2—perfectly matching our V2 value.

内容的提问来源于stack exchange，提问作者Nick