Home / 1,996,711.70-2,990,855.55-1,323,115.70

Finding the Fourth Proportional to 1,996,711.70, 2,990,855.55 and 1,323,115.70

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Solution

The fourth proportional to 1,996,711.70, 2,990,855.55 and 1,323,115.70 is: 1,981,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,711.70 : 2,990,855.55 = 1,323,115.70 : x
  2. Step 2: Convert to fraction form
    1,996,711.70/2,990,855.55 = 1,323,115.70/x
  3. Step 3: Cross multiply
    1,996,711.70x = 2,990,855.55 × 1,323,115.70
  4. Step 4: Simplify right side
    1,996,711.70x = 3,957,247,934,637.14
  5. Step 5: Solve for x
    x = 3,957,247,934,637.14/1,996,711.70
  6. Step 6: Final answer
    x = 1,981,882.48

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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.