Home / 3,878,565.39-5,352,310.44-2,112,423.57

Finding the Fourth Proportional to 3,878,565.39, 5,352,310.44 and 2,112,423.57

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Solution

The fourth proportional to 3,878,565.39, 5,352,310.44 and 2,112,423.57 is: 2,915,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,565.39 : 5,352,310.44 = 2,112,423.57 : x
  2. Step 2: Convert to fraction form
    3,878,565.39/5,352,310.44 = 2,112,423.57/x
  3. Step 3: Cross multiply
    3,878,565.39x = 5,352,310.44 × 2,112,423.57
  4. Step 4: Simplify right side
    3,878,565.39x = 11,306,346,727,413.07
  5. Step 5: Solve for x
    x = 11,306,346,727,413.07/3,878,565.39
  6. Step 6: Final answer
    x = 2,915,084.73

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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.