Home / 2,861,299.30-4,289,280.77-966,715.78

Finding the Fourth Proportional to 2,861,299.30, 4,289,280.77 and 966,715.78

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Solution

The fourth proportional to 2,861,299.30, 4,289,280.77 and 966,715.78 is: 1,449,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,299.30 : 4,289,280.77 = 966,715.78 : x
  2. Step 2: Convert to fraction form
    2,861,299.30/4,289,280.77 = 966,715.78/x
  3. Step 3: Cross multiply
    2,861,299.30x = 4,289,280.77 × 966,715.78
  4. Step 4: Simplify right side
    2,861,299.30x = 4,146,515,400,375.97
  5. Step 5: Solve for x
    x = 4,146,515,400,375.97/2,861,299.30
  6. Step 6: Final answer
    x = 1,449,172.20

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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.