Home / 2,815,048.44-4,222,513.62-685,144.44

Finding the Fourth Proportional to 2,815,048.44, 4,222,513.62 and 685,144.44

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Solution

The fourth proportional to 2,815,048.44, 4,222,513.62 and 685,144.44 is: 1,027,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,048.44 : 4,222,513.62 = 685,144.44 : x
  2. Step 2: Convert to fraction form
    2,815,048.44/4,222,513.62 = 685,144.44/x
  3. Step 3: Cross multiply
    2,815,048.44x = 4,222,513.62 × 685,144.44
  4. Step 4: Simplify right side
    2,815,048.44x = 2,893,031,729,567.27
  5. Step 5: Solve for x
    x = 2,893,031,729,567.27/2,815,048.44
  6. Step 6: Final answer
    x = 1,027,702.29

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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.