Home / 3,109,128.97-4,665,048.78-1,088,822.11

Finding the Fourth Proportional to 3,109,128.97, 4,665,048.78 and 1,088,822.11

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Solution

The fourth proportional to 3,109,128.97, 4,665,048.78 and 1,088,822.11 is: 1,633,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,128.97 : 4,665,048.78 = 1,088,822.11 : x
  2. Step 2: Convert to fraction form
    3,109,128.97/4,665,048.78 = 1,088,822.11/x
  3. Step 3: Cross multiply
    3,109,128.97x = 4,665,048.78 × 1,088,822.11
  4. Step 4: Simplify right side
    3,109,128.97x = 5,079,408,255,892.53
  5. Step 5: Solve for x
    x = 5,079,408,255,892.53/3,109,128.97
  6. Step 6: Final answer
    x = 1,633,707.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.