Home / 2,153,164.56-3,230,378.34-636,887.39

Finding the Fourth Proportional to 2,153,164.56, 3,230,378.34 and 636,887.39

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Solution

The fourth proportional to 2,153,164.56, 3,230,378.34 and 636,887.39 is: 955,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,164.56 : 3,230,378.34 = 636,887.39 : x
  2. Step 2: Convert to fraction form
    2,153,164.56/3,230,378.34 = 636,887.39/x
  3. Step 3: Cross multiply
    2,153,164.56x = 3,230,378.34 × 636,887.39
  4. Step 4: Simplify right side
    2,153,164.56x = 2,057,387,229,675.13
  5. Step 5: Solve for x
    x = 2,057,387,229,675.13/2,153,164.56
  6. Step 6: Final answer
    x = 955,517.88

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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.