Home / 5,123,118.30-7,678,456.65-2,280,212.70

Finding the Fourth Proportional to 5,123,118.30, 7,678,456.65 and 2,280,212.70

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Solution

The fourth proportional to 5,123,118.30, 7,678,456.65 and 2,280,212.70 is: 3,417,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,118.30 : 7,678,456.65 = 2,280,212.70 : x
  2. Step 2: Convert to fraction form
    5,123,118.30/7,678,456.65 = 2,280,212.70/x
  3. Step 3: Cross multiply
    5,123,118.30x = 7,678,456.65 × 2,280,212.70
  4. Step 4: Simplify right side
    5,123,118.30x = 17,508,514,369,729.46
  5. Step 5: Solve for x
    x = 17,508,514,369,729.46/5,123,118.30
  6. Step 6: Final answer
    x = 3,417,550.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.