Home / 2,669,545.20-4,004,754.12-871,906.80

Finding the Fourth Proportional to 2,669,545.20, 4,004,754.12 and 871,906.80

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Solution

The fourth proportional to 2,669,545.20, 4,004,754.12 and 871,906.80 is: 1,308,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,545.20 : 4,004,754.12 = 871,906.80 : x
  2. Step 2: Convert to fraction form
    2,669,545.20/4,004,754.12 = 871,906.80/x
  3. Step 3: Cross multiply
    2,669,545.20x = 4,004,754.12 × 871,906.80
  4. Step 4: Simplify right side
    2,669,545.20x = 3,491,772,349,556.02
  5. Step 5: Solve for x
    x = 3,491,772,349,556.02/2,669,545.20
  6. Step 6: Final answer
    x = 1,308,002.71

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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.