Home / 3,852,778.66-5,314,818.78-2,382,217.12

Finding the Fourth Proportional to 3,852,778.66, 5,314,818.78 and 2,382,217.12

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Solution

The fourth proportional to 3,852,778.66, 5,314,818.78 and 2,382,217.12 is: 3,286,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,778.66 : 5,314,818.78 = 2,382,217.12 : x
  2. Step 2: Convert to fraction form
    3,852,778.66/5,314,818.78 = 2,382,217.12/x
  3. Step 3: Cross multiply
    3,852,778.66x = 5,314,818.78 × 2,382,217.12
  4. Step 4: Simplify right side
    3,852,778.66x = 12,661,052,287,413.52
  5. Step 5: Solve for x
    x = 12,661,052,287,413.52/3,852,778.66
  6. Step 6: Final answer
    x = 3,286,213.25

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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.