Home / 1,996,706.20-2,990,847.30-1,323,110.20

Finding the Fourth Proportional to 1,996,706.20, 2,990,847.30 and 1,323,110.20

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Solution

The fourth proportional to 1,996,706.20, 2,990,847.30 and 1,323,110.20 is: 1,981,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,706.20 : 2,990,847.30 = 1,323,110.20 : x
  2. Step 2: Convert to fraction form
    1,996,706.20/2,990,847.30 = 1,323,110.20/x
  3. Step 3: Cross multiply
    1,996,706.20x = 2,990,847.30 × 1,323,110.20
  4. Step 4: Simplify right side
    1,996,706.20x = 3,957,220,569,272.46
  5. Step 5: Solve for x
    x = 3,957,220,569,272.46/1,996,706.20
  6. Step 6: Final answer
    x = 1,981,874.23

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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.