Home / 2,112,523.20-3,169,717.92-852,811.20

Finding the Fourth Proportional to 2,112,523.20, 3,169,717.92 and 852,811.20

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Solution

The fourth proportional to 2,112,523.20, 3,169,717.92 and 852,811.20 is: 1,279,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,523.20 : 3,169,717.92 = 852,811.20 : x
  2. Step 2: Convert to fraction form
    2,112,523.20/3,169,717.92 = 852,811.20/x
  3. Step 3: Cross multiply
    2,112,523.20x = 3,169,717.92 × 852,811.20
  4. Step 4: Simplify right side
    2,112,523.20x = 2,703,170,943,016.70
  5. Step 5: Solve for x
    x = 2,703,170,943,016.70/2,112,523.20
  6. Step 6: Final answer
    x = 1,279,593.49

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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.