Home / 3,147,315.40-4,720,610.22-873,008.20

Finding the Fourth Proportional to 3,147,315.40, 4,720,610.22 and 873,008.20

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Solution

The fourth proportional to 3,147,315.40, 4,720,610.22 and 873,008.20 is: 1,309,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,315.40 : 4,720,610.22 = 873,008.20 : x
  2. Step 2: Convert to fraction form
    3,147,315.40/4,720,610.22 = 873,008.20/x
  3. Step 3: Cross multiply
    3,147,315.40x = 4,720,610.22 × 873,008.20
  4. Step 4: Simplify right side
    3,147,315.40x = 4,121,131,431,063.80
  5. Step 5: Solve for x
    x = 4,121,131,431,063.80/3,147,315.40
  6. Step 6: Final answer
    x = 1,309,411.64

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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.