Home / 1,915,467.43-2,643,344.19-1,099,723.72

Finding the Fourth Proportional to 1,915,467.43, 2,643,344.19 and 1,099,723.72

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Solution

The fourth proportional to 1,915,467.43, 2,643,344.19 and 1,099,723.72 is: 1,517,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,467.43 : 2,643,344.19 = 1,099,723.72 : x
  2. Step 2: Convert to fraction form
    1,915,467.43/2,643,344.19 = 1,099,723.72/x
  3. Step 3: Cross multiply
    1,915,467.43x = 2,643,344.19 × 1,099,723.72
  4. Step 4: Simplify right side
    1,915,467.43x = 2,906,948,305,867.19
  5. Step 5: Solve for x
    x = 2,906,948,305,867.19/1,915,467.43
  6. Step 6: Final answer
    x = 1,517,618.24

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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.