Home / 3,834,213.92-5,291,178.72-2,115,348.32

Finding the Fourth Proportional to 3,834,213.92, 5,291,178.72 and 2,115,348.32

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Solution

The fourth proportional to 3,834,213.92, 5,291,178.72 and 2,115,348.32 is: 2,919,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,213.92 : 5,291,178.72 = 2,115,348.32 : x
  2. Step 2: Convert to fraction form
    3,834,213.92/5,291,178.72 = 2,115,348.32/x
  3. Step 3: Cross multiply
    3,834,213.92x = 5,291,178.72 × 2,115,348.32
  4. Step 4: Simplify right side
    3,834,213.92x = 11,192,686,016,171.75
  5. Step 5: Solve for x
    x = 11,192,686,016,171.75/3,834,213.92
  6. Step 6: Final answer
    x = 2,919,160.55

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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.