Home / 3,907,469.92-5,392,413.68-2,188,552.72

Finding the Fourth Proportional to 3,907,469.92, 5,392,413.68 and 2,188,552.72

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Solution

The fourth proportional to 3,907,469.92, 5,392,413.68 and 2,188,552.72 is: 3,020,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,469.92 : 5,392,413.68 = 2,188,552.72 : x
  2. Step 2: Convert to fraction form
    3,907,469.92/5,392,413.68 = 2,188,552.72/x
  3. Step 3: Cross multiply
    3,907,469.92x = 5,392,413.68 × 2,188,552.72
  4. Step 4: Simplify right side
    3,907,469.92x = 11,801,581,626,729.21
  5. Step 5: Solve for x
    x = 11,801,581,626,729.21/3,907,469.92
  6. Step 6: Final answer
    x = 3,020,261.67

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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.