Home / 2,815,060.44-4,222,531.56-685,156.44

Finding the Fourth Proportional to 2,815,060.44, 4,222,531.56 and 685,156.44

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Solution

The fourth proportional to 2,815,060.44, 4,222,531.56 and 685,156.44 is: 1,027,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,060.44 : 4,222,531.56 = 685,156.44 : x
  2. Step 2: Convert to fraction form
    2,815,060.44/4,222,531.56 = 685,156.44/x
  3. Step 3: Cross multiply
    2,815,060.44x = 4,222,531.56 × 685,156.44
  4. Step 4: Simplify right side
    2,815,060.44x = 2,893,094,691,437.25
  5. Step 5: Solve for x
    x = 2,893,094,691,437.25/2,815,060.44
  6. Step 6: Final answer
    x = 1,027,720.28

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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.