Home / 6,517,825.80-9,781,404.30-3,674,920.20

Finding the Fourth Proportional to 6,517,825.80, 9,781,404.30 and 3,674,920.20

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Solution

The fourth proportional to 6,517,825.80, 9,781,404.30 and 3,674,920.20 is: 5,515,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517,825.80 : 9,781,404.30 = 3,674,920.20 : x
  2. Step 2: Convert to fraction form
    6,517,825.80/9,781,404.30 = 3,674,920.20/x
  3. Step 3: Cross multiply
    6,517,825.80x = 9,781,404.30 × 3,674,920.20
  4. Step 4: Simplify right side
    6,517,825.80x = 35,945,880,246,436.87
  5. Step 5: Solve for x
    x = 35,945,880,246,436.87/6,517,825.80
  6. Step 6: Final answer
    x = 5,515,010.89

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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.