Home / 1,981,614.85-2,970,344.35-969,339.49

Finding the Fourth Proportional to 1,981,614.85, 2,970,344.35 and 969,339.49

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Solution

The fourth proportional to 1,981,614.85, 2,970,344.35 and 969,339.49 is: 1,452,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,614.85 : 2,970,344.35 = 969,339.49 : x
  2. Step 2: Convert to fraction form
    1,981,614.85/2,970,344.35 = 969,339.49/x
  3. Step 3: Cross multiply
    1,981,614.85x = 2,970,344.35 × 969,339.49
  4. Step 4: Simplify right side
    1,981,614.85x = 2,879,272,077,353.38
  5. Step 5: Solve for x
    x = 2,879,272,077,353.38/1,981,614.85
  6. Step 6: Final answer
    x = 1,452,992.78

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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.