Home / 5,280,876.96-7,921,315.66-2,883,413.86

Finding the Fourth Proportional to 5,280,876.96, 7,921,315.66 and 2,883,413.86

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Solution

The fourth proportional to 5,280,876.96, 7,921,315.66 and 2,883,413.86 is: 4,325,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,876.96 : 7,921,315.66 = 2,883,413.86 : x
  2. Step 2: Convert to fraction form
    5,280,876.96/7,921,315.66 = 2,883,413.86/x
  3. Step 3: Cross multiply
    5,280,876.96x = 7,921,315.66 × 2,883,413.86
  4. Step 4: Simplify right side
    5,280,876.96x = 22,840,431,363,479.05
  5. Step 5: Solve for x
    x = 22,840,431,363,479.05/5,280,876.96
  6. Step 6: Final answer
    x = 4,325,120.91

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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.