Home / 2,986,825.14-4,480,240.08-1,279,861.50

Finding the Fourth Proportional to 2,986,825.14, 4,480,240.08 and 1,279,861.50

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Solution

The fourth proportional to 2,986,825.14, 4,480,240.08 and 1,279,861.50 is: 1,919,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,825.14 : 4,480,240.08 = 1,279,861.50 : x
  2. Step 2: Convert to fraction form
    2,986,825.14/4,480,240.08 = 1,279,861.50/x
  3. Step 3: Cross multiply
    2,986,825.14x = 4,480,240.08 × 1,279,861.50
  4. Step 4: Simplify right side
    2,986,825.14x = 5,734,086,789,148.92
  5. Step 5: Solve for x
    x = 5,734,086,789,148.92/2,986,825.14
  6. Step 6: Final answer
    x = 1,919,793.27

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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.