Home / 5,107,534.80-7,048,715.40-2,815,691.28

Finding the Fourth Proportional to 5,107,534.80, 7,048,715.40 and 2,815,691.28

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Solution

The fourth proportional to 5,107,534.80, 7,048,715.40 and 2,815,691.28 is: 3,885,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,534.80 : 7,048,715.40 = 2,815,691.28 : x
  2. Step 2: Convert to fraction form
    5,107,534.80/7,048,715.40 = 2,815,691.28/x
  3. Step 3: Cross multiply
    5,107,534.80x = 7,048,715.40 × 2,815,691.28
  4. Step 4: Simplify right side
    5,107,534.80x = 19,847,006,486,981.71
  5. Step 5: Solve for x
    x = 19,847,006,486,981.71/5,107,534.80
  6. Step 6: Final answer
    x = 3,885,828.93

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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.