Home / 2,129,168.38-2,930,794.47-1,856,755.66

Finding the Fourth Proportional to 2,129,168.38, 2,930,794.47 and 1,856,755.66

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Solution

The fourth proportional to 2,129,168.38, 2,930,794.47 and 1,856,755.66 is: 2,555,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,168.38 : 2,930,794.47 = 1,856,755.66 : x
  2. Step 2: Convert to fraction form
    2,129,168.38/2,930,794.47 = 1,856,755.66/x
  3. Step 3: Cross multiply
    2,129,168.38x = 2,930,794.47 × 1,856,755.66
  4. Step 4: Simplify right side
    2,129,168.38x = 5,441,769,220,469.20
  5. Step 5: Solve for x
    x = 5,441,769,220,469.20/2,129,168.38
  6. Step 6: Final answer
    x = 2,555,819.10

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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.