Home / 3,131,333.10-4,694,265.90-1,213,552.80

Finding the Fourth Proportional to 3,131,333.10, 4,694,265.90 and 1,213,552.80

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Solution

The fourth proportional to 3,131,333.10, 4,694,265.90 and 1,213,552.80 is: 1,819,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,333.10 : 4,694,265.90 = 1,213,552.80 : x
  2. Step 2: Convert to fraction form
    3,131,333.10/4,694,265.90 = 1,213,552.80/x
  3. Step 3: Cross multiply
    3,131,333.10x = 4,694,265.90 × 1,213,552.80
  4. Step 4: Simplify right side
    3,131,333.10x = 5,696,739,526,889.52
  5. Step 5: Solve for x
    x = 5,696,739,526,889.52/3,131,333.10
  6. Step 6: Final answer
    x = 1,819,269.73

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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.