Home / 2,105,512.53-3,158,293.68-739,320.54

Finding the Fourth Proportional to 2,105,512.53, 3,158,293.68 and 739,320.54

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Solution

The fourth proportional to 2,105,512.53, 3,158,293.68 and 739,320.54 is: 1,108,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,512.53 : 3,158,293.68 = 739,320.54 : x
  2. Step 2: Convert to fraction form
    2,105,512.53/3,158,293.68 = 739,320.54/x
  3. Step 3: Cross multiply
    2,105,512.53x = 3,158,293.68 × 739,320.54
  4. Step 4: Simplify right side
    2,105,512.53x = 2,334,991,388,976.19
  5. Step 5: Solve for x
    x = 2,334,991,388,976.19/2,105,512.53
  6. Step 6: Final answer
    x = 1,108,989.55

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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.