Home / 2,105,812.40-3,159,067.77-739,231.70

Finding the Fourth Proportional to 2,105,812.40, 3,159,067.77 and 739,231.70

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Solution

The fourth proportional to 2,105,812.40, 3,159,067.77 and 739,231.70 is: 1,108,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,812.40 : 3,159,067.77 = 739,231.70 : x
  2. Step 2: Convert to fraction form
    2,105,812.40/3,159,067.77 = 739,231.70/x
  3. Step 3: Cross multiply
    2,105,812.40x = 3,159,067.77 × 739,231.70
  4. Step 4: Simplify right side
    2,105,812.40x = 2,335,283,022,236.97
  5. Step 5: Solve for x
    x = 2,335,283,022,236.97/2,105,812.40
  6. Step 6: Final answer
    x = 1,108,970.12

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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.