Home / 2,279,812.60-3,420,660.90-999,757.72

Finding the Fourth Proportional to 2,279,812.60, 3,420,660.90 and 999,757.72

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Solution

The fourth proportional to 2,279,812.60, 3,420,660.90 and 999,757.72 is: 1,500,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,812.60 : 3,420,660.90 = 999,757.72 : x
  2. Step 2: Convert to fraction form
    2,279,812.60/3,420,660.90 = 999,757.72/x
  3. Step 3: Cross multiply
    2,279,812.60x = 3,420,660.90 × 999,757.72
  4. Step 4: Simplify right side
    2,279,812.60x = 3,419,832,142,277.15
  5. Step 5: Solve for x
    x = 3,419,832,142,277.15/2,279,812.60
  6. Step 6: Final answer
    x = 1,500,049.67

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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.