Home / 3,927,002.20-5,887,047.30-2,660,723.80

Finding the Fourth Proportional to 3,927,002.20, 5,887,047.30 and 2,660,723.80

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Solution

The fourth proportional to 3,927,002.20, 5,887,047.30 and 2,660,723.80 is: 3,988,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,002.20 : 5,887,047.30 = 2,660,723.80 : x
  2. Step 2: Convert to fraction form
    3,927,002.20/5,887,047.30 = 2,660,723.80/x
  3. Step 3: Cross multiply
    3,927,002.20x = 5,887,047.30 × 2,660,723.80
  4. Step 4: Simplify right side
    3,927,002.20x = 15,663,806,862,835.74
  5. Step 5: Solve for x
    x = 15,663,806,862,835.74/3,927,002.20
  6. Step 6: Final answer
    x = 3,988,744.10

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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.