Home / 3,661,993.20-5,481,930.60-3,219,625.20

Finding the Fourth Proportional to 3,661,993.20, 5,481,930.60 and 3,219,625.20

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Solution

The fourth proportional to 3,661,993.20, 5,481,930.60 and 3,219,625.20 is: 4,819,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661,993.20 : 5,481,930.60 = 3,219,625.20 : x
  2. Step 2: Convert to fraction form
    3,661,993.20/5,481,930.60 = 3,219,625.20/x
  3. Step 3: Cross multiply
    3,661,993.20x = 5,481,930.60 × 3,219,625.20
  4. Step 4: Simplify right side
    3,661,993.20x = 17,649,761,904,411.12
  5. Step 5: Solve for x
    x = 17,649,761,904,411.12/3,661,993.20
  6. Step 6: Final answer
    x = 4,819,714.55

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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.