Home / 5,107,535.30-7,048,716.09-2,815,691.78

Finding the Fourth Proportional to 5,107,535.30, 7,048,716.09 and 2,815,691.78

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Solution

The fourth proportional to 5,107,535.30, 7,048,716.09 and 2,815,691.78 is: 3,885,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,535.30 : 7,048,716.09 = 2,815,691.78 : x
  2. Step 2: Convert to fraction form
    5,107,535.30/7,048,716.09 = 2,815,691.78/x
  3. Step 3: Cross multiply
    5,107,535.30x = 7,048,716.09 × 2,815,691.78
  4. Step 4: Simplify right side
    5,107,535.30x = 19,847,011,954,166.74
  5. Step 5: Solve for x
    x = 19,847,011,954,166.74/5,107,535.30
  6. Step 6: Final answer
    x = 3,885,829.62

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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.