Home / 5,789,461.60-7,990,413.60-3,211,972.78

Finding the Fourth Proportional to 5,789,461.60, 7,990,413.60 and 3,211,972.78

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Solution

The fourth proportional to 5,789,461.60, 7,990,413.60 and 3,211,972.78 is: 4,433,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789,461.60 : 7,990,413.60 = 3,211,972.78 : x
  2. Step 2: Convert to fraction form
    5,789,461.60/7,990,413.60 = 3,211,972.78/x
  3. Step 3: Cross multiply
    5,789,461.60x = 7,990,413.60 × 3,211,972.78
  4. Step 4: Simplify right side
    5,789,461.60x = 25,664,990,984,141.80
  5. Step 5: Solve for x
    x = 25,664,990,984,141.80/5,789,461.60
  6. Step 6: Final answer
    x = 4,433,053.15

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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.