Home / 3,998,190.25-5,517,506.19-2,187,354.25

Finding the Fourth Proportional to 3,998,190.25, 5,517,506.19 and 2,187,354.25

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Solution

The fourth proportional to 3,998,190.25, 5,517,506.19 and 2,187,354.25 is: 3,018,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,190.25 : 5,517,506.19 = 2,187,354.25 : x
  2. Step 2: Convert to fraction form
    3,998,190.25/5,517,506.19 = 2,187,354.25/x
  3. Step 3: Cross multiply
    3,998,190.25x = 5,517,506.19 × 2,187,354.25
  4. Step 4: Simplify right side
    3,998,190.25x = 12,068,740,614,097.81
  5. Step 5: Solve for x
    x = 12,068,740,614,097.81/3,998,190.25
  6. Step 6: Final answer
    x = 3,018,550.86

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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.