Home / 3,381,126-5,071,984.20-856,781.34

Finding the Fourth Proportional to 3,381,126, 5,071,984.20 and 856,781.34

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Solution

The fourth proportional to 3,381,126, 5,071,984.20 and 856,781.34 is: 1,285,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381,126 : 5,071,984.20 = 856,781.34 : x
  2. Step 2: Convert to fraction form
    3,381,126/5,071,984.20 = 856,781.34/x
  3. Step 3: Cross multiply
    3,381,126x = 5,071,984.20 × 856,781.34
  4. Step 4: Simplify right side
    3,381,126x = 4,345,581,419,334.83
  5. Step 5: Solve for x
    x = 4,345,581,419,334.83/3,381,126
  6. Step 6: Final answer
    x = 1,285,246.81

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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.