Home / 2,188,717.92-3,284,232.56-1,553,128.80

Finding the Fourth Proportional to 2,188,717.92, 3,284,232.56 and 1,553,128.80

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Solution

The fourth proportional to 2,188,717.92, 3,284,232.56 and 1,553,128.80 is: 2,330,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,717.92 : 3,284,232.56 = 1,553,128.80 : x
  2. Step 2: Convert to fraction form
    2,188,717.92/3,284,232.56 = 1,553,128.80/x
  3. Step 3: Cross multiply
    2,188,717.92x = 3,284,232.56 × 1,553,128.80
  4. Step 4: Simplify right side
    2,188,717.92x = 5,100,836,174,833.73
  5. Step 5: Solve for x
    x = 5,100,836,174,833.73/2,188,717.92
  6. Step 6: Final answer
    x = 2,330,513.28

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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.