Home / 3,542,128.20-5,319,097.20-1,945,836.90

Finding the Fourth Proportional to 3,542,128.20, 5,319,097.20 and 1,945,836.90

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Solution

The fourth proportional to 3,542,128.20, 5,319,097.20 and 1,945,836.90 is: 2,921,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,128.20 : 5,319,097.20 = 1,945,836.90 : x
  2. Step 2: Convert to fraction form
    3,542,128.20/5,319,097.20 = 1,945,836.90/x
  3. Step 3: Cross multiply
    3,542,128.20x = 5,319,097.20 × 1,945,836.90
  4. Step 4: Simplify right side
    3,542,128.20x = 10,350,095,606,446.68
  5. Step 5: Solve for x
    x = 10,350,095,606,446.68/3,542,128.20
  6. Step 6: Final answer
    x = 2,921,999.15

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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.