Home / 3,131,447.22-4,695,691.23-1,213,257.06

Finding the Fourth Proportional to 3,131,447.22, 4,695,691.23 and 1,213,257.06

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Solution

The fourth proportional to 3,131,447.22, 4,695,691.23 and 1,213,257.06 is: 1,819,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,447.22 : 4,695,691.23 = 1,213,257.06 : x
  2. Step 2: Convert to fraction form
    3,131,447.22/4,695,691.23 = 1,213,257.06/x
  3. Step 3: Cross multiply
    3,131,447.22x = 4,695,691.23 × 1,213,257.06
  4. Step 4: Simplify right side
    3,131,447.22x = 5,697,080,536,377.59
  5. Step 5: Solve for x
    x = 5,697,080,536,377.59/3,131,447.22
  6. Step 6: Final answer
    x = 1,819,312.33

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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.