Home / 5,485,718.46-8,229,118.50-1,891,012.20

Finding the Fourth Proportional to 5,485,718.46, 8,229,118.50 and 1,891,012.20

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Solution

The fourth proportional to 5,485,718.46, 8,229,118.50 and 1,891,012.20 is: 2,836,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,718.46 : 8,229,118.50 = 1,891,012.20 : x
  2. Step 2: Convert to fraction form
    5,485,718.46/8,229,118.50 = 1,891,012.20/x
  3. Step 3: Cross multiply
    5,485,718.46x = 8,229,118.50 × 1,891,012.20
  4. Step 4: Simplify right side
    5,485,718.46x = 15,561,363,478,745.70
  5. Step 5: Solve for x
    x = 15,561,363,478,745.70/5,485,718.46
  6. Step 6: Final answer
    x = 2,836,704.73

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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.