Home / 3,101,121.20-4,651,835.40-1,608,129.20

Finding the Fourth Proportional to 3,101,121.20, 4,651,835.40 and 1,608,129.20

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Solution

The fourth proportional to 3,101,121.20, 4,651,835.40 and 1,608,129.20 is: 2,412,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,121.20 : 4,651,835.40 = 1,608,129.20 : x
  2. Step 2: Convert to fraction form
    3,101,121.20/4,651,835.40 = 1,608,129.20/x
  3. Step 3: Cross multiply
    3,101,121.20x = 4,651,835.40 × 1,608,129.20
  4. Step 4: Simplify right side
    3,101,121.20x = 7,480,752,340,333.68
  5. Step 5: Solve for x
    x = 7,480,752,340,333.68/3,101,121.20
  6. Step 6: Final answer
    x = 2,412,273.45

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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.