Home / 3,990,702.20-5,986,053.30-1,468,167.80

Finding the Fourth Proportional to 3,990,702.20, 5,986,053.30 and 1,468,167.80

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Solution

The fourth proportional to 3,990,702.20, 5,986,053.30 and 1,468,167.80 is: 2,202,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,702.20 : 5,986,053.30 = 1,468,167.80 : x
  2. Step 2: Convert to fraction form
    3,990,702.20/5,986,053.30 = 1,468,167.80/x
  3. Step 3: Cross multiply
    3,990,702.20x = 5,986,053.30 × 1,468,167.80
  4. Step 4: Simplify right side
    3,990,702.20x = 8,788,530,704,143.74
  5. Step 5: Solve for x
    x = 8,788,530,704,143.74/3,990,702.20
  6. Step 6: Final answer
    x = 2,202,251.70

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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.