Home / 3,990,184.60-5,981,340.30-1,966,772.20

Finding the Fourth Proportional to 3,990,184.60, 5,981,340.30 and 1,966,772.20

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Solution

The fourth proportional to 3,990,184.60, 5,981,340.30 and 1,966,772.20 is: 2,948,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,184.60 : 5,981,340.30 = 1,966,772.20 : x
  2. Step 2: Convert to fraction form
    3,990,184.60/5,981,340.30 = 1,966,772.20/x
  3. Step 3: Cross multiply
    3,990,184.60x = 5,981,340.30 × 1,966,772.20
  4. Step 4: Simplify right side
    3,990,184.60x = 11,763,933,820,779.66
  5. Step 5: Solve for x
    x = 11,763,933,820,779.66/3,990,184.60
  6. Step 6: Final answer
    x = 2,948,217.94

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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.