Home / 2,379,270.38-3,283,397.28-1,291,542.69

Finding the Fourth Proportional to 2,379,270.38, 3,283,397.28 and 1,291,542.69

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Solution

The fourth proportional to 2,379,270.38, 3,283,397.28 and 1,291,542.69 is: 1,782,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,270.38 : 3,283,397.28 = 1,291,542.69 : x
  2. Step 2: Convert to fraction form
    2,379,270.38/3,283,397.28 = 1,291,542.69/x
  3. Step 3: Cross multiply
    2,379,270.38x = 3,283,397.28 × 1,291,542.69
  4. Step 4: Simplify right side
    2,379,270.38x = 4,240,647,755,349.88
  5. Step 5: Solve for x
    x = 4,240,647,755,349.88/2,379,270.38
  6. Step 6: Final answer
    x = 1,782,331.17

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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.