Home / 3,131,305.36-4,321,201.28-1,773,440.80

Finding the Fourth Proportional to 3,131,305.36, 4,321,201.28 and 1,773,440.80

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Solution

The fourth proportional to 3,131,305.36, 4,321,201.28 and 1,773,440.80 is: 2,447,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,305.36 : 4,321,201.28 = 1,773,440.80 : x
  2. Step 2: Convert to fraction form
    3,131,305.36/4,321,201.28 = 1,773,440.80/x
  3. Step 3: Cross multiply
    3,131,305.36x = 4,321,201.28 × 1,773,440.80
  4. Step 4: Simplify right side
    3,131,305.36x = 7,663,394,654,964.23
  5. Step 5: Solve for x
    x = 7,663,394,654,964.23/3,131,305.36
  6. Step 6: Final answer
    x = 2,447,348.24

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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.