Home / 2,179,972.16-3,269,920.16-981,046.08

Finding the Fourth Proportional to 2,179,972.16, 3,269,920.16 and 981,046.08

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Solution

The fourth proportional to 2,179,972.16, 3,269,920.16 and 981,046.08 is: 1,471,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,972.16 : 3,269,920.16 = 981,046.08 : x
  2. Step 2: Convert to fraction form
    2,179,972.16/3,269,920.16 = 981,046.08/x
  3. Step 3: Cross multiply
    2,179,972.16x = 3,269,920.16 × 981,046.08
  4. Step 4: Simplify right side
    2,179,972.16x = 3,207,942,354,880.97
  5. Step 5: Solve for x
    x = 3,207,942,354,880.97/2,179,972.16
  6. Step 6: Final answer
    x = 1,471,551.98

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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.