Home / 2,479,703.92-3,422,105.07-1,377,140.38

Finding the Fourth Proportional to 2,479,703.92, 3,422,105.07 and 1,377,140.38

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Solution

The fourth proportional to 2,479,703.92, 3,422,105.07 and 1,377,140.38 is: 1,900,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,703.92 : 3,422,105.07 = 1,377,140.38 : x
  2. Step 2: Convert to fraction form
    2,479,703.92/3,422,105.07 = 1,377,140.38/x
  3. Step 3: Cross multiply
    2,479,703.92x = 3,422,105.07 × 1,377,140.38
  4. Step 4: Simplify right side
    2,479,703.92x = 4,712,719,076,499.73
  5. Step 5: Solve for x
    x = 4,712,719,076,499.73/2,479,703.92
  6. Step 6: Final answer
    x = 1,900,516.85

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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.