Home / 2,491,859.28-3,738,655.80-786,265.68

Finding the Fourth Proportional to 2,491,859.28, 3,738,655.80 and 786,265.68

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Solution

The fourth proportional to 2,491,859.28, 3,738,655.80 and 786,265.68 is: 1,179,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,859.28 : 3,738,655.80 = 786,265.68 : x
  2. Step 2: Convert to fraction form
    2,491,859.28/3,738,655.80 = 786,265.68/x
  3. Step 3: Cross multiply
    2,491,859.28x = 3,738,655.80 × 786,265.68
  4. Step 4: Simplify right side
    2,491,859.28x = 2,939,576,744,872.94
  5. Step 5: Solve for x
    x = 2,939,576,744,872.94/2,491,859.28
  6. Step 6: Final answer
    x = 1,179,672.05

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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.