Home / 5,445,657.17-7,517,332.86-3,876,801.78

Finding the Fourth Proportional to 5,445,657.17, 7,517,332.86 and 3,876,801.78

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Solution

The fourth proportional to 5,445,657.17, 7,517,332.86 and 3,876,801.78 is: 5,351,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445,657.17 : 7,517,332.86 = 3,876,801.78 : x
  2. Step 2: Convert to fraction form
    5,445,657.17/7,517,332.86 = 3,876,801.78/x
  3. Step 3: Cross multiply
    5,445,657.17x = 7,517,332.86 × 3,876,801.78
  4. Step 4: Simplify right side
    5,445,657.17x = 29,143,209,412,500.49
  5. Step 5: Solve for x
    x = 29,143,209,412,500.49/5,445,657.17
  6. Step 6: Final answer
    x = 5,351,642.33

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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.