Home / 2,912,272.80-4,368,409.20-1,491,856.80

Finding the Fourth Proportional to 2,912,272.80, 4,368,409.20 and 1,491,856.80

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Solution

The fourth proportional to 2,912,272.80, 4,368,409.20 and 1,491,856.80 is: 2,237,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,272.80 : 4,368,409.20 = 1,491,856.80 : x
  2. Step 2: Convert to fraction form
    2,912,272.80/4,368,409.20 = 1,491,856.80/x
  3. Step 3: Cross multiply
    2,912,272.80x = 4,368,409.20 × 1,491,856.80
  4. Step 4: Simplify right side
    2,912,272.80x = 6,517,040,970,202.56
  5. Step 5: Solve for x
    x = 6,517,040,970,202.56/2,912,272.80
  6. Step 6: Final answer
    x = 2,237,785.20

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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.