Home / 1,996,730.20-2,990,883.30-1,323,134.20

Finding the Fourth Proportional to 1,996,730.20, 2,990,883.30 and 1,323,134.20

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Solution

The fourth proportional to 1,996,730.20, 2,990,883.30 and 1,323,134.20 is: 1,981,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,730.20 : 2,990,883.30 = 1,323,134.20 : x
  2. Step 2: Convert to fraction form
    1,996,730.20/2,990,883.30 = 1,323,134.20/x
  3. Step 3: Cross multiply
    1,996,730.20x = 2,990,883.30 × 1,323,134.20
  4. Step 4: Simplify right side
    1,996,730.20x = 3,957,339,982,438.86
  5. Step 5: Solve for x
    x = 3,957,339,982,438.86/1,996,730.20
  6. Step 6: Final answer
    x = 1,981,910.22

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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.