Home / 2,147,286.44-3,220,845.53-727,342.47

Finding the Fourth Proportional to 2,147,286.44, 3,220,845.53 and 727,342.47

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Solution

The fourth proportional to 2,147,286.44, 3,220,845.53 and 727,342.47 is: 1,090,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,286.44 : 3,220,845.53 = 727,342.47 : x
  2. Step 2: Convert to fraction form
    2,147,286.44/3,220,845.53 = 727,342.47/x
  3. Step 3: Cross multiply
    2,147,286.44x = 3,220,845.53 × 727,342.47
  4. Step 4: Simplify right side
    2,147,286.44x = 2,342,657,739,641.95
  5. Step 5: Solve for x
    x = 2,342,657,739,641.95/2,147,286.44
  6. Step 6: Final answer
    x = 1,090,985.20

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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.