Home / 2,105,812.50-3,159,067.93-739,231.81

Finding the Fourth Proportional to 2,105,812.50, 3,159,067.93 and 739,231.81

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Solution

The fourth proportional to 2,105,812.50, 3,159,067.93 and 739,231.81 is: 1,108,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,812.50 : 3,159,067.93 = 739,231.81 : x
  2. Step 2: Convert to fraction form
    2,105,812.50/3,159,067.93 = 739,231.81/x
  3. Step 3: Cross multiply
    2,105,812.50x = 3,159,067.93 × 739,231.81
  4. Step 4: Simplify right side
    2,105,812.50x = 2,335,283,503,806.85
  5. Step 5: Solve for x
    x = 2,335,283,503,806.85/2,105,812.50
  6. Step 6: Final answer
    x = 1,108,970.29

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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.