Home / 3,876,737.76-5,349,898.26-2,157,821.46

Finding the Fourth Proportional to 3,876,737.76, 5,349,898.26 and 2,157,821.46

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Solution

The fourth proportional to 3,876,737.76, 5,349,898.26 and 2,157,821.46 is: 2,977,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,737.76 : 5,349,898.26 = 2,157,821.46 : x
  2. Step 2: Convert to fraction form
    3,876,737.76/5,349,898.26 = 2,157,821.46/x
  3. Step 3: Cross multiply
    3,876,737.76x = 5,349,898.26 × 2,157,821.46
  4. Step 4: Simplify right side
    3,876,737.76x = 11,544,125,274,244.66
  5. Step 5: Solve for x
    x = 11,544,125,274,244.66/3,876,737.76
  6. Step 6: Final answer
    x = 2,977,793.70

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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.