Home / 3,324,156.40-4,986,234.60-1,080,521.20

Finding the Fourth Proportional to 3,324,156.40, 4,986,234.60 and 1,080,521.20

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Solution

The fourth proportional to 3,324,156.40, 4,986,234.60 and 1,080,521.20 is: 1,620,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324,156.40 : 4,986,234.60 = 1,080,521.20 : x
  2. Step 2: Convert to fraction form
    3,324,156.40/4,986,234.60 = 1,080,521.20/x
  3. Step 3: Cross multiply
    3,324,156.40x = 4,986,234.60 × 1,080,521.20
  4. Step 4: Simplify right side
    3,324,156.40x = 5,387,732,193,473.52
  5. Step 5: Solve for x
    x = 5,387,732,193,473.52/3,324,156.40
  6. Step 6: Final answer
    x = 1,620,781.80

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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.