Home / 3,834,758.20-5,292,077.04-2,115,989.44

Finding the Fourth Proportional to 3,834,758.20, 5,292,077.04 and 2,115,989.44

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Solution

The fourth proportional to 3,834,758.20, 5,292,077.04 and 2,115,989.44 is: 2,920,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,758.20 : 5,292,077.04 = 2,115,989.44 : x
  2. Step 2: Convert to fraction form
    3,834,758.20/5,292,077.04 = 2,115,989.44/x
  3. Step 3: Cross multiply
    3,834,758.20x = 5,292,077.04 × 2,115,989.44
  4. Step 4: Simplify right side
    3,834,758.20x = 11,197,979,132,306.46
  5. Step 5: Solve for x
    x = 11,197,979,132,306.46/3,834,758.20
  6. Step 6: Final answer
    x = 2,920,126.52

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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.