Home / 2,147,272.90-3,220,825.19-727,328.92

Finding the Fourth Proportional to 2,147,272.90, 3,220,825.19 and 727,328.92

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Solution

The fourth proportional to 2,147,272.90, 3,220,825.19 and 727,328.92 is: 1,090,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,272.90 : 3,220,825.19 = 727,328.92 : x
  2. Step 2: Convert to fraction form
    2,147,272.90/3,220,825.19 = 727,328.92/x
  3. Step 3: Cross multiply
    2,147,272.90x = 3,220,825.19 × 727,328.92
  4. Step 4: Simplify right side
    2,147,272.90x = 2,342,599,306,951.50
  5. Step 5: Solve for x
    x = 2,342,599,306,951.50/2,147,272.90
  6. Step 6: Final answer
    x = 1,090,964.87

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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.