Home / 2,181,998.20-3,273,512.28-686,090.20

Finding the Fourth Proportional to 2,181,998.20, 3,273,512.28 and 686,090.20

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Solution

The fourth proportional to 2,181,998.20, 3,273,512.28 and 686,090.20 is: 1,029,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,998.20 : 3,273,512.28 = 686,090.20 : x
  2. Step 2: Convert to fraction form
    2,181,998.20/3,273,512.28 = 686,090.20/x
  3. Step 3: Cross multiply
    2,181,998.20x = 3,273,512.28 × 686,090.20
  4. Step 4: Simplify right side
    2,181,998.20x = 2,245,924,694,887.66
  5. Step 5: Solve for x
    x = 2,245,924,694,887.66/2,181,998.20
  6. Step 6: Final answer
    x = 1,029,297.23

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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.