Home / 3,863,565.40-5,331,453.54-2,144,550.60

Finding the Fourth Proportional to 3,863,565.40, 5,331,453.54 and 2,144,550.60

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Solution

The fourth proportional to 3,863,565.40, 5,331,453.54 and 2,144,550.60 is: 2,959,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,565.40 : 5,331,453.54 = 2,144,550.60 : x
  2. Step 2: Convert to fraction form
    3,863,565.40/5,331,453.54 = 2,144,550.60/x
  3. Step 3: Cross multiply
    3,863,565.40x = 5,331,453.54 × 2,144,550.60
  4. Step 4: Simplify right side
    3,863,565.40x = 11,433,571,888,079.12
  5. Step 5: Solve for x
    x = 11,433,571,888,079.12/3,863,565.40
  6. Step 6: Final answer
    x = 2,959,331.78

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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.