Home / 2,168,982.78-2,992,512.24-1,251,088.90

Finding the Fourth Proportional to 2,168,982.78, 2,992,512.24 and 1,251,088.90

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Solution

The fourth proportional to 2,168,982.78, 2,992,512.24 and 1,251,088.90 is: 1,726,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,982.78 : 2,992,512.24 = 1,251,088.90 : x
  2. Step 2: Convert to fraction form
    2,168,982.78/2,992,512.24 = 1,251,088.90/x
  3. Step 3: Cross multiply
    2,168,982.78x = 2,992,512.24 × 1,251,088.90
  4. Step 4: Simplify right side
    2,168,982.78x = 3,743,898,846,578.14
  5. Step 5: Solve for x
    x = 3,743,898,846,578.14/2,168,982.78
  6. Step 6: Final answer
    x = 1,726,108.15

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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.