Home / 3,944,648.32-5,442,153.60-2,914,639.36

Finding the Fourth Proportional to 3,944,648.32, 5,442,153.60 and 2,914,639.36

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Solution

The fourth proportional to 3,944,648.32, 5,442,153.60 and 2,914,639.36 is: 4,021,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,648.32 : 5,442,153.60 = 2,914,639.36 : x
  2. Step 2: Convert to fraction form
    3,944,648.32/5,442,153.60 = 2,914,639.36/x
  3. Step 3: Cross multiply
    3,944,648.32x = 5,442,153.60 × 2,914,639.36
  4. Step 4: Simplify right side
    3,944,648.32x = 15,861,915,085,725.69
  5. Step 5: Solve for x
    x = 15,861,915,085,725.69/3,944,648.32
  6. Step 6: Final answer
    x = 4,021,122.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.