Home / 3,981,439.80-5,972,159.70-2,183,628.60

Finding the Fourth Proportional to 3,981,439.80, 5,972,159.70 and 2,183,628.60

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Solution

The fourth proportional to 3,981,439.80, 5,972,159.70 and 2,183,628.60 is: 3,275,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,439.80 : 5,972,159.70 = 2,183,628.60 : x
  2. Step 2: Convert to fraction form
    3,981,439.80/5,972,159.70 = 2,183,628.60/x
  3. Step 3: Cross multiply
    3,981,439.80x = 5,972,159.70 × 2,183,628.60
  4. Step 4: Simplify right side
    3,981,439.80x = 13,040,978,724,687.42
  5. Step 5: Solve for x
    x = 13,040,978,724,687.42/3,981,439.80
  6. Step 6: Final answer
    x = 3,275,442.90

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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.