Home / 3,145,221.60-4,717,832.40-1,015,375.20

Finding the Fourth Proportional to 3,145,221.60, 4,717,832.40 and 1,015,375.20

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Solution

The fourth proportional to 3,145,221.60, 4,717,832.40 and 1,015,375.20 is: 1,523,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,221.60 : 4,717,832.40 = 1,015,375.20 : x
  2. Step 2: Convert to fraction form
    3,145,221.60/4,717,832.40 = 1,015,375.20/x
  3. Step 3: Cross multiply
    3,145,221.60x = 4,717,832.40 × 1,015,375.20
  4. Step 4: Simplify right side
    3,145,221.60x = 4,790,370,016,716.48
  5. Step 5: Solve for x
    x = 4,790,370,016,716.48/3,145,221.60
  6. Step 6: Final answer
    x = 1,523,062.80

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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.