Home / 2,108,110.24-3,162,221.68-688,252.32

Finding the Fourth Proportional to 2,108,110.24, 3,162,221.68 and 688,252.32

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Solution

The fourth proportional to 2,108,110.24, 3,162,221.68 and 688,252.32 is: 1,032,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,110.24 : 3,162,221.68 = 688,252.32 : x
  2. Step 2: Convert to fraction form
    2,108,110.24/3,162,221.68 = 688,252.32/x
  3. Step 3: Cross multiply
    2,108,110.24x = 3,162,221.68 × 688,252.32
  4. Step 4: Simplify right side
    2,108,110.24x = 2,176,406,407,614.30
  5. Step 5: Solve for x
    x = 2,176,406,407,614.30/2,108,110.24
  6. Step 6: Final answer
    x = 1,032,396.87

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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.