Home / 5,741,649.87-8,612,188.56-2,147,152.56

Finding the Fourth Proportional to 5,741,649.87, 8,612,188.56 and 2,147,152.56

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Solution

The fourth proportional to 5,741,649.87, 8,612,188.56 and 2,147,152.56 is: 3,220,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741,649.87 : 8,612,188.56 = 2,147,152.56 : x
  2. Step 2: Convert to fraction form
    5,741,649.87/8,612,188.56 = 2,147,152.56/x
  3. Step 3: Cross multiply
    5,741,649.87x = 8,612,188.56 × 2,147,152.56
  4. Step 4: Simplify right side
    5,741,649.87x = 18,491,682,713,806.71
  5. Step 5: Solve for x
    x = 18,491,682,713,806.71/5,741,649.87
  6. Step 6: Final answer
    x = 3,220,621.80

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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.