Home / 2,238,992.28-3,089,793.60-1,220,404.32

Finding the Fourth Proportional to 2,238,992.28, 3,089,793.60 and 1,220,404.32

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Solution

The fourth proportional to 2,238,992.28, 3,089,793.60 and 1,220,404.32 is: 1,684,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,992.28 : 3,089,793.60 = 1,220,404.32 : x
  2. Step 2: Convert to fraction form
    2,238,992.28/3,089,793.60 = 1,220,404.32/x
  3. Step 3: Cross multiply
    2,238,992.28x = 3,089,793.60 × 1,220,404.32
  4. Step 4: Simplify right side
    2,238,992.28x = 3,770,797,457,348.35
  5. Step 5: Solve for x
    x = 3,770,797,457,348.35/2,238,992.28
  6. Step 6: Final answer
    x = 1,684,149.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.