Home / 2,212,917.20-3,319,375.80-1,373,109.20

Finding the Fourth Proportional to 2,212,917.20, 3,319,375.80 and 1,373,109.20

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Solution

The fourth proportional to 2,212,917.20, 3,319,375.80 and 1,373,109.20 is: 2,059,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,917.20 : 3,319,375.80 = 1,373,109.20 : x
  2. Step 2: Convert to fraction form
    2,212,917.20/3,319,375.80 = 1,373,109.20/x
  3. Step 3: Cross multiply
    2,212,917.20x = 3,319,375.80 × 1,373,109.20
  4. Step 4: Simplify right side
    2,212,917.20x = 4,557,865,449,237.36
  5. Step 5: Solve for x
    x = 4,557,865,449,237.36/2,212,917.20
  6. Step 6: Final answer
    x = 2,059,663.80

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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.