Home / 5,387,167.38-7,434,449.28-2,939,936.52

Finding the Fourth Proportional to 5,387,167.38, 7,434,449.28 and 2,939,936.52

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Solution

The fourth proportional to 5,387,167.38, 7,434,449.28 and 2,939,936.52 is: 4,057,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,167.38 : 7,434,449.28 = 2,939,936.52 : x
  2. Step 2: Convert to fraction form
    5,387,167.38/7,434,449.28 = 2,939,936.52/x
  3. Step 3: Cross multiply
    5,387,167.38x = 7,434,449.28 × 2,939,936.52
  4. Step 4: Simplify right side
    5,387,167.38x = 21,856,808,944,359.71
  5. Step 5: Solve for x
    x = 21,856,808,944,359.71/5,387,167.38
  6. Step 6: Final answer
    x = 4,057,198.78

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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.