Home / 2,218,416.92-3,327,993.11-778,726.90

Finding the Fourth Proportional to 2,218,416.92, 3,327,993.11 and 778,726.90

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Solution

The fourth proportional to 2,218,416.92, 3,327,993.11 and 778,726.90 is: 1,168,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,416.92 : 3,327,993.11 = 778,726.90 : x
  2. Step 2: Convert to fraction form
    2,218,416.92/3,327,993.11 = 778,726.90/x
  3. Step 3: Cross multiply
    2,218,416.92x = 3,327,993.11 × 778,726.90
  4. Step 4: Simplify right side
    2,218,416.92x = 2,591,597,757,771.66
  5. Step 5: Solve for x
    x = 2,591,597,757,771.66/2,218,416.92
  6. Step 6: Final answer
    x = 1,168,219.43

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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.