Home / 3,610,257.56-4,982,194.42-1,978,629.80

Finding the Fourth Proportional to 3,610,257.56, 4,982,194.42 and 1,978,629.80

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Solution

The fourth proportional to 3,610,257.56, 4,982,194.42 and 1,978,629.80 is: 2,730,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,257.56 : 4,982,194.42 = 1,978,629.80 : x
  2. Step 2: Convert to fraction form
    3,610,257.56/4,982,194.42 = 1,978,629.80/x
  3. Step 3: Cross multiply
    3,610,257.56x = 4,982,194.42 × 1,978,629.80
  4. Step 4: Simplify right side
    3,610,257.56x = 9,857,918,372,115.23
  5. Step 5: Solve for x
    x = 9,857,918,372,115.23/3,610,257.56
  6. Step 6: Final answer
    x = 2,730,530.50

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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.