Home / 4,057,343.20-5,599,145.28-2,221,818.40

Finding the Fourth Proportional to 4,057,343.20, 5,599,145.28 and 2,221,818.40

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Solution

The fourth proportional to 4,057,343.20, 5,599,145.28 and 2,221,818.40 is: 3,066,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057,343.20 : 5,599,145.28 = 2,221,818.40 : x
  2. Step 2: Convert to fraction form
    4,057,343.20/5,599,145.28 = 2,221,818.40/x
  3. Step 3: Cross multiply
    4,057,343.20x = 5,599,145.28 × 2,221,818.40
  4. Step 4: Simplify right side
    4,057,343.20x = 12,440,284,007,377.15
  5. Step 5: Solve for x
    x = 12,440,284,007,377.15/4,057,343.20
  6. Step 6: Final answer
    x = 3,066,115.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.