Home / 2,079,240.30-3,119,103.45-659,439.90

Finding the Fourth Proportional to 2,079,240.30, 3,119,103.45 and 659,439.90

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Solution

The fourth proportional to 2,079,240.30, 3,119,103.45 and 659,439.90 is: 989,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,240.30 : 3,119,103.45 = 659,439.90 : x
  2. Step 2: Convert to fraction form
    2,079,240.30/3,119,103.45 = 659,439.90/x
  3. Step 3: Cross multiply
    2,079,240.30x = 3,119,103.45 × 659,439.90
  4. Step 4: Simplify right side
    2,079,240.30x = 2,056,861,267,157.66
  5. Step 5: Solve for x
    x = 2,056,861,267,157.66/2,079,240.30
  6. Step 6: Final answer
    x = 989,236.92

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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.