Home / 5,387,553.05-7,434,980.67-2,940,321.15

Finding the Fourth Proportional to 5,387,553.05, 7,434,980.67 and 2,940,321.15

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Solution

The fourth proportional to 5,387,553.05, 7,434,980.67 and 2,940,321.15 is: 4,057,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,553.05 : 7,434,980.67 = 2,940,321.15 : x
  2. Step 2: Convert to fraction form
    5,387,553.05/7,434,980.67 = 2,940,321.15/x
  3. Step 3: Cross multiply
    5,387,553.05x = 7,434,980.67 × 2,940,321.15
  4. Step 4: Simplify right side
    5,387,553.05x = 21,861,230,913,842.17
  5. Step 5: Solve for x
    x = 21,861,230,913,842.17/5,387,553.05
  6. Step 6: Final answer
    x = 4,057,729.13

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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.