Home / 2,156,469.80-3,229,002.30-1,728,012.20

Finding the Fourth Proportional to 2,156,469.80, 3,229,002.30 and 1,728,012.20

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Solution

The fourth proportional to 2,156,469.80, 3,229,002.30 and 1,728,012.20 is: 2,587,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,469.80 : 3,229,002.30 = 1,728,012.20 : x
  2. Step 2: Convert to fraction form
    2,156,469.80/3,229,002.30 = 1,728,012.20/x
  3. Step 3: Cross multiply
    2,156,469.80x = 3,229,002.30 × 1,728,012.20
  4. Step 4: Simplify right side
    2,156,469.80x = 5,579,755,368,228.06
  5. Step 5: Solve for x
    x = 5,579,755,368,228.06/2,156,469.80
  6. Step 6: Final answer
    x = 2,587,448.88

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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.