Home / 3,763,862.71-5,193,961.25-2,132,236.78

Finding the Fourth Proportional to 3,763,862.71, 5,193,961.25 and 2,132,236.78

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Solution

The fourth proportional to 3,763,862.71, 5,193,961.25 and 2,132,236.78 is: 2,942,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763,862.71 : 5,193,961.25 = 2,132,236.78 : x
  2. Step 2: Convert to fraction form
    3,763,862.71/5,193,961.25 = 2,132,236.78/x
  3. Step 3: Cross multiply
    3,763,862.71x = 5,193,961.25 × 2,132,236.78
  4. Step 4: Simplify right side
    3,763,862.71x = 11,074,755,187,498.69
  5. Step 5: Solve for x
    x = 11,074,755,187,498.69/3,763,862.71
  6. Step 6: Final answer
    x = 2,942,390.85

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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.