Home / 3,931,529.20-5,425,684.87-2,212,761.04

Finding the Fourth Proportional to 3,931,529.20, 5,425,684.87 and 2,212,761.04

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Solution

The fourth proportional to 3,931,529.20, 5,425,684.87 and 2,212,761.04 is: 3,053,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,529.20 : 5,425,684.87 = 2,212,761.04 : x
  2. Step 2: Convert to fraction form
    3,931,529.20/5,425,684.87 = 2,212,761.04/x
  3. Step 3: Cross multiply
    3,931,529.20x = 5,425,684.87 × 2,212,761.04
  4. Step 4: Simplify right side
    3,931,529.20x = 12,005,744,084,589.66
  5. Step 5: Solve for x
    x = 12,005,744,084,589.66/3,931,529.20
  6. Step 6: Final answer
    x = 3,053,708.49

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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.