Home / 2,715,022.20-4,071,330.45-917,417.55

Finding the Fourth Proportional to 2,715,022.20, 4,071,330.45 and 917,417.55

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Solution

The fourth proportional to 2,715,022.20, 4,071,330.45 and 917,417.55 is: 1,375,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,022.20 : 4,071,330.45 = 917,417.55 : x
  2. Step 2: Convert to fraction form
    2,715,022.20/4,071,330.45 = 917,417.55/x
  3. Step 3: Cross multiply
    2,715,022.20x = 4,071,330.45 × 917,417.55
  4. Step 4: Simplify right side
    2,715,022.20x = 3,735,110,006,679.40
  5. Step 5: Solve for x
    x = 3,735,110,006,679.40/2,715,022.20
  6. Step 6: Final answer
    x = 1,375,719.88

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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.