Home / 3,878,112.39-5,352,015.83-2,329,847.61

Finding the Fourth Proportional to 3,878,112.39, 5,352,015.83 and 2,329,847.61

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Solution

The fourth proportional to 3,878,112.39, 5,352,015.83 and 2,329,847.61 is: 3,215,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,112.39 : 5,352,015.83 = 2,329,847.61 : x
  2. Step 2: Convert to fraction form
    3,878,112.39/5,352,015.83 = 2,329,847.61/x
  3. Step 3: Cross multiply
    3,878,112.39x = 5,352,015.83 × 2,329,847.61
  4. Step 4: Simplify right side
    3,878,112.39x = 12,469,381,290,207.67
  5. Step 5: Solve for x
    x = 12,469,381,290,207.67/3,878,112.39
  6. Step 6: Final answer
    x = 3,215,322.31

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1.5x scale

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.