Home / 2,087,998.40-3,131,997.60-1,479,137.60

Finding the Fourth Proportional to 2,087,998.40, 3,131,997.60 and 1,479,137.60

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Solution

The fourth proportional to 2,087,998.40, 3,131,997.60 and 1,479,137.60 is: 2,218,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,998.40 : 3,131,997.60 = 1,479,137.60 : x
  2. Step 2: Convert to fraction form
    2,087,998.40/3,131,997.60 = 1,479,137.60/x
  3. Step 3: Cross multiply
    2,087,998.40x = 3,131,997.60 × 1,479,137.60
  4. Step 4: Simplify right side
    2,087,998.40x = 4,632,655,413,269.76
  5. Step 5: Solve for x
    x = 4,632,655,413,269.76/2,087,998.40
  6. Step 6: Final answer
    x = 2,218,706.40

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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.