Home / 2,144,358.92-3,215,824.74-864,635.87

Finding the Fourth Proportional to 2,144,358.92, 3,215,824.74 and 864,635.87

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Solution

The fourth proportional to 2,144,358.92, 3,215,824.74 and 864,635.87 is: 1,296,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,358.92 : 3,215,824.74 = 864,635.87 : x
  2. Step 2: Convert to fraction form
    2,144,358.92/3,215,824.74 = 864,635.87/x
  3. Step 3: Cross multiply
    2,144,358.92x = 3,215,824.74 × 864,635.87
  4. Step 4: Simplify right side
    2,144,358.92x = 2,780,517,405,758.30
  5. Step 5: Solve for x
    x = 2,780,517,405,758.30/2,144,358.92
  6. Step 6: Final answer
    x = 1,296,666.05

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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.