Home / 2,689,882.28-4,034,036.10-2,215,390.76

Finding the Fourth Proportional to 2,689,882.28, 4,034,036.10 and 2,215,390.76

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Solution

The fourth proportional to 2,689,882.28, 4,034,036.10 and 2,215,390.76 is: 3,322,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,882.28 : 4,034,036.10 = 2,215,390.76 : x
  2. Step 2: Convert to fraction form
    2,689,882.28/4,034,036.10 = 2,215,390.76/x
  3. Step 3: Cross multiply
    2,689,882.28x = 4,034,036.10 × 2,215,390.76
  4. Step 4: Simplify right side
    2,689,882.28x = 8,936,966,301,446.44
  5. Step 5: Solve for x
    x = 8,936,966,301,446.44/2,689,882.28
  6. Step 6: Final answer
    x = 3,322,437.70

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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.