Home / 3,981,462.80-5,972,194.20-2,986,134.80

Finding the Fourth Proportional to 3,981,462.80, 5,972,194.20 and 2,986,134.80

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Solution

The fourth proportional to 3,981,462.80, 5,972,194.20 and 2,986,134.80 is: 4,479,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,462.80 : 5,972,194.20 = 2,986,134.80 : x
  2. Step 2: Convert to fraction form
    3,981,462.80/5,972,194.20 = 2,986,134.80/x
  3. Step 3: Cross multiply
    3,981,462.80x = 5,972,194.20 × 2,986,134.80
  4. Step 4: Simplify right side
    3,981,462.80x = 17,833,776,932,978.16
  5. Step 5: Solve for x
    x = 17,833,776,932,978.16/3,981,462.80
  6. Step 6: Final answer
    x = 4,479,202.20

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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.