Home / 3,281,609.20-4,922,413.80-3,207,881.20

Finding the Fourth Proportional to 3,281,609.20, 4,922,413.80 and 3,207,881.20

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Solution

The fourth proportional to 3,281,609.20, 4,922,413.80 and 3,207,881.20 is: 4,811,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,609.20 : 4,922,413.80 = 3,207,881.20 : x
  2. Step 2: Convert to fraction form
    3,281,609.20/4,922,413.80 = 3,207,881.20/x
  3. Step 3: Cross multiply
    3,281,609.20x = 4,922,413.80 × 3,207,881.20
  4. Step 4: Simplify right side
    3,281,609.20x = 15,790,518,687,640.56
  5. Step 5: Solve for x
    x = 15,790,518,687,640.56/3,281,609.20
  6. Step 6: Final answer
    x = 4,811,821.80

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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.