Home / 3,472,440.40-5,200,366.20-2,128,747.60

Finding the Fourth Proportional to 3,472,440.40, 5,200,366.20 and 2,128,747.60

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Solution

The fourth proportional to 3,472,440.40, 5,200,366.20 and 2,128,747.60 is: 3,188,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,440.40 : 5,200,366.20 = 2,128,747.60 : x
  2. Step 2: Convert to fraction form
    3,472,440.40/5,200,366.20 = 2,128,747.60/x
  3. Step 3: Cross multiply
    3,472,440.40x = 5,200,366.20 × 2,128,747.60
  4. Step 4: Simplify right side
    3,472,440.40x = 11,070,267,067,371.12
  5. Step 5: Solve for x
    x = 11,070,267,067,371.12/3,472,440.40
  6. Step 6: Final answer
    x = 3,188,036.59

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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.