Home / 3,867,998.40-5,801,997.60-1,028,397.60

Finding the Fourth Proportional to 3,867,998.40, 5,801,997.60 and 1,028,397.60

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Solution

The fourth proportional to 3,867,998.40, 5,801,997.60 and 1,028,397.60 is: 1,542,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,998.40 : 5,801,997.60 = 1,028,397.60 : x
  2. Step 2: Convert to fraction form
    3,867,998.40/5,801,997.60 = 1,028,397.60/x
  3. Step 3: Cross multiply
    3,867,998.40x = 5,801,997.60 × 1,028,397.60
  4. Step 4: Simplify right side
    3,867,998.40x = 5,966,760,407,045.76
  5. Step 5: Solve for x
    x = 5,966,760,407,045.76/3,867,998.40
  6. Step 6: Final answer
    x = 1,542,596.40

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Similar ratio
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1.5x scale

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.