Home / 3,230,427.79-4,458,020.25-1,780,175.13

Finding the Fourth Proportional to 3,230,427.79, 4,458,020.25 and 1,780,175.13

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Solution

The fourth proportional to 3,230,427.79, 4,458,020.25 and 1,780,175.13 is: 2,456,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,427.79 : 4,458,020.25 = 1,780,175.13 : x
  2. Step 2: Convert to fraction form
    3,230,427.79/4,458,020.25 = 1,780,175.13/x
  3. Step 3: Cross multiply
    3,230,427.79x = 4,458,020.25 × 1,780,175.13
  4. Step 4: Simplify right side
    3,230,427.79x = 7,936,056,755,796.28
  5. Step 5: Solve for x
    x = 7,936,056,755,796.28/3,230,427.79
  6. Step 6: Final answer
    x = 2,456,658.15

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Double scale
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Similar ratio
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1.5x scale

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.