Home / 5,332,601.76-7,998,863.76-2,137,680.96

Finding the Fourth Proportional to 5,332,601.76, 7,998,863.76 and 2,137,680.96

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Solution

The fourth proportional to 5,332,601.76, 7,998,863.76 and 2,137,680.96 is: 3,206,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332,601.76 : 7,998,863.76 = 2,137,680.96 : x
  2. Step 2: Convert to fraction form
    5,332,601.76/7,998,863.76 = 2,137,680.96/x
  3. Step 3: Cross multiply
    5,332,601.76x = 7,998,863.76 × 2,137,680.96
  4. Step 4: Simplify right side
    5,332,601.76x = 17,099,018,761,386.01
  5. Step 5: Solve for x
    x = 17,099,018,761,386.01/5,332,601.76
  6. Step 6: Final answer
    x = 3,206,505.85

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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.