Home / 3,188,981.43-4,400,735.13-1,738,689.39

Finding the Fourth Proportional to 3,188,981.43, 4,400,735.13 and 1,738,689.39

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Solution

The fourth proportional to 3,188,981.43, 4,400,735.13 and 1,738,689.39 is: 2,399,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,981.43 : 4,400,735.13 = 1,738,689.39 : x
  2. Step 2: Convert to fraction form
    3,188,981.43/4,400,735.13 = 1,738,689.39/x
  3. Step 3: Cross multiply
    3,188,981.43x = 4,400,735.13 × 1,738,689.39
  4. Step 4: Simplify right side
    3,188,981.43x = 7,651,511,478,731.27
  5. Step 5: Solve for x
    x = 7,651,511,478,731.27/3,188,981.43
  6. Step 6: Final answer
    x = 2,399,359.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.