Home / 2,129,165.88-2,930,791.02-1,856,753.16

Finding the Fourth Proportional to 2,129,165.88, 2,930,791.02 and 1,856,753.16

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Solution

The fourth proportional to 2,129,165.88, 2,930,791.02 and 1,856,753.16 is: 2,555,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,165.88 : 2,930,791.02 = 1,856,753.16 : x
  2. Step 2: Convert to fraction form
    2,129,165.88/2,930,791.02 = 1,856,753.16/x
  3. Step 3: Cross multiply
    2,129,165.88x = 2,930,791.02 × 1,856,753.16
  4. Step 4: Simplify right side
    2,129,165.88x = 5,441,755,487,684.62
  5. Step 5: Solve for x
    x = 5,441,755,487,684.62/2,129,165.88
  6. Step 6: Final answer
    x = 2,555,815.65

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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.