Home / 3,659,223-5,049,800.67-2,131,428.54

Finding the Fourth Proportional to 3,659,223, 5,049,800.67 and 2,131,428.54

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Solution

The fourth proportional to 3,659,223, 5,049,800.67 and 2,131,428.54 is: 2,941,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,223 : 5,049,800.67 = 2,131,428.54 : x
  2. Step 2: Convert to fraction form
    3,659,223/5,049,800.67 = 2,131,428.54/x
  3. Step 3: Cross multiply
    3,659,223x = 5,049,800.67 × 2,131,428.54
  4. Step 4: Simplify right side
    3,659,223x = 10,763,289,269,349.12
  5. Step 5: Solve for x
    x = 10,763,289,269,349.12/3,659,223
  6. Step 6: Final answer
    x = 2,941,413.87

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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.