Home / 2,815,052.44-4,222,519.62-685,148.44

Finding the Fourth Proportional to 2,815,052.44, 4,222,519.62 and 685,148.44

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Solution

The fourth proportional to 2,815,052.44, 4,222,519.62 and 685,148.44 is: 1,027,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,052.44 : 4,222,519.62 = 685,148.44 : x
  2. Step 2: Convert to fraction form
    2,815,052.44/4,222,519.62 = 685,148.44/x
  3. Step 3: Cross multiply
    2,815,052.44x = 4,222,519.62 × 685,148.44
  4. Step 4: Simplify right side
    2,815,052.44x = 2,893,052,730,512.39
  5. Step 5: Solve for x
    x = 2,893,052,730,512.39/2,815,052.44
  6. Step 6: Final answer
    x = 1,027,708.29

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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.