Home / 2,239,134.92-3,089,889.60-1,272,131

Finding the Fourth Proportional to 2,239,134.92, 3,089,889.60 and 1,272,131

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Solution

The fourth proportional to 2,239,134.92, 3,089,889.60 and 1,272,131 is: 1,755,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,134.92 : 3,089,889.60 = 1,272,131 : x
  2. Step 2: Convert to fraction form
    2,239,134.92/3,089,889.60 = 1,272,131/x
  3. Step 3: Cross multiply
    2,239,134.92x = 3,089,889.60 × 1,272,131
  4. Step 4: Simplify right side
    2,239,134.92x = 3,930,744,346,737.60
  5. Step 5: Solve for x
    x = 3,930,744,346,737.60/2,239,134.92
  6. Step 6: Final answer
    x = 1,755,474.54

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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.