Home / 2,469,173.09-3,407,591.19-1,381,379.77

Finding the Fourth Proportional to 2,469,173.09, 3,407,591.19 and 1,381,379.77

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Solution

The fourth proportional to 2,469,173.09, 3,407,591.19 and 1,381,379.77 is: 1,906,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469,173.09 : 3,407,591.19 = 1,381,379.77 : x
  2. Step 2: Convert to fraction form
    2,469,173.09/3,407,591.19 = 1,381,379.77/x
  3. Step 3: Cross multiply
    2,469,173.09x = 3,407,591.19 × 1,381,379.77
  4. Step 4: Simplify right side
    2,469,173.09x = 4,707,177,543,735.89
  5. Step 5: Solve for x
    x = 4,707,177,543,735.89/2,469,173.09
  6. Step 6: Final answer
    x = 1,906,378.12

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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.