Home / 3,986,190.20-5,981,909.70-2,280,330.20

Finding the Fourth Proportional to 3,986,190.20, 5,981,909.70 and 2,280,330.20

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Solution

The fourth proportional to 3,986,190.20, 5,981,909.70 and 2,280,330.20 is: 3,421,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,190.20 : 5,981,909.70 = 2,280,330.20 : x
  2. Step 2: Convert to fraction form
    3,986,190.20/5,981,909.70 = 2,280,330.20/x
  3. Step 3: Cross multiply
    3,986,190.20x = 5,981,909.70 × 2,280,330.20
  4. Step 4: Simplify right side
    3,986,190.20x = 13,640,729,342,582.94
  5. Step 5: Solve for x
    x = 13,640,729,342,582.94/3,986,190.20
  6. Step 6: Final answer
    x = 3,421,996.61

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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.