Home / 2,287,863.15-3,157,249.96-1,255,377.61

Finding the Fourth Proportional to 2,287,863.15, 3,157,249.96 and 1,255,377.61

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Solution

The fourth proportional to 2,287,863.15, 3,157,249.96 and 1,255,377.61 is: 1,732,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,863.15 : 3,157,249.96 = 1,255,377.61 : x
  2. Step 2: Convert to fraction form
    2,287,863.15/3,157,249.96 = 1,255,377.61/x
  3. Step 3: Cross multiply
    2,287,863.15x = 3,157,249.96 × 1,255,377.61
  4. Step 4: Simplify right side
    2,287,863.15x = 3,963,540,908,957.40
  5. Step 5: Solve for x
    x = 3,963,540,908,957.40/2,287,863.15
  6. Step 6: Final answer
    x = 1,732,420.45

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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.