Home / 2,669,557.20-4,004,772.12-871,918.80

Finding the Fourth Proportional to 2,669,557.20, 4,004,772.12 and 871,918.80

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Solution

The fourth proportional to 2,669,557.20, 4,004,772.12 and 871,918.80 is: 1,308,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,557.20 : 4,004,772.12 = 871,918.80 : x
  2. Step 2: Convert to fraction form
    2,669,557.20/4,004,772.12 = 871,918.80/x
  3. Step 3: Cross multiply
    2,669,557.20x = 4,004,772.12 × 871,918.80
  4. Step 4: Simplify right side
    2,669,557.20x = 3,491,836,101,143.86
  5. Step 5: Solve for x
    x = 3,491,836,101,143.86/2,669,557.20
  6. Step 6: Final answer
    x = 1,308,020.71

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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.