Home / 2,591,993.80-3,887,990.70-1,836,166.60

Finding the Fourth Proportional to 2,591,993.80, 3,887,990.70 and 1,836,166.60

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Solution

The fourth proportional to 2,591,993.80, 3,887,990.70 and 1,836,166.60 is: 2,754,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,993.80 : 3,887,990.70 = 1,836,166.60 : x
  2. Step 2: Convert to fraction form
    2,591,993.80/3,887,990.70 = 1,836,166.60/x
  3. Step 3: Cross multiply
    2,591,993.80x = 3,887,990.70 × 1,836,166.60
  4. Step 4: Simplify right side
    2,591,993.80x = 7,138,998,664,450.62
  5. Step 5: Solve for x
    x = 7,138,998,664,450.62/2,591,993.80
  6. Step 6: Final answer
    x = 2,754,249.90

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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.