Home / 3,545,781.60-5,318,672.40-3,153,871.20

Finding the Fourth Proportional to 3,545,781.60, 5,318,672.40 and 3,153,871.20

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Solution

The fourth proportional to 3,545,781.60, 5,318,672.40 and 3,153,871.20 is: 4,730,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,781.60 : 5,318,672.40 = 3,153,871.20 : x
  2. Step 2: Convert to fraction form
    3,545,781.60/5,318,672.40 = 3,153,871.20/x
  3. Step 3: Cross multiply
    3,545,781.60x = 5,318,672.40 × 3,153,871.20
  4. Step 4: Simplify right side
    3,545,781.60x = 16,774,407,704,594.88
  5. Step 5: Solve for x
    x = 16,774,407,704,594.88/3,545,781.60
  6. Step 6: Final answer
    x = 4,730,806.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.