Home / 2,126,456.12-3,188,633.94-777,601.88

Finding the Fourth Proportional to 2,126,456.12, 3,188,633.94 and 777,601.88

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Solution

The fourth proportional to 2,126,456.12, 3,188,633.94 and 777,601.88 is: 1,166,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,456.12 : 3,188,633.94 = 777,601.88 : x
  2. Step 2: Convert to fraction form
    2,126,456.12/3,188,633.94 = 777,601.88/x
  3. Step 3: Cross multiply
    2,126,456.12x = 3,188,633.94 × 777,601.88
  4. Step 4: Simplify right side
    2,126,456.12x = 2,479,487,746,375.81
  5. Step 5: Solve for x
    x = 2,479,487,746,375.81/2,126,456.12
  6. Step 6: Final answer
    x = 1,166,018.77

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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.