Home / 1,646,456.10-2,469,684.15-1,081,408.20

Finding the Fourth Proportional to 1,646,456.10, 2,469,684.15 and 1,081,408.20

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Solution

The fourth proportional to 1,646,456.10, 2,469,684.15 and 1,081,408.20 is: 1,622,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,456.10 : 2,469,684.15 = 1,081,408.20 : x
  2. Step 2: Convert to fraction form
    1,646,456.10/2,469,684.15 = 1,081,408.20/x
  3. Step 3: Cross multiply
    1,646,456.10x = 2,469,684.15 × 1,081,408.20
  4. Step 4: Simplify right side
    1,646,456.10x = 2,670,736,691,220.03
  5. Step 5: Solve for x
    x = 2,670,736,691,220.03/1,646,456.10
  6. Step 6: Final answer
    x = 1,622,112.30

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Similar ratio
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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.