Home / 2,239,052.18-3,089,892.83-1,272,183.80

Finding the Fourth Proportional to 2,239,052.18, 3,089,892.83 and 1,272,183.80

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Solution

The fourth proportional to 2,239,052.18, 3,089,892.83 and 1,272,183.80 is: 1,755,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,052.18 : 3,089,892.83 = 1,272,183.80 : x
  2. Step 2: Convert to fraction form
    2,239,052.18/3,089,892.83 = 1,272,183.80/x
  3. Step 3: Cross multiply
    2,239,052.18x = 3,089,892.83 × 1,272,183.80
  4. Step 4: Simplify right side
    2,239,052.18x = 3,930,911,580,251.77
  5. Step 5: Solve for x
    x = 3,930,911,580,251.77/2,239,052.18
  6. Step 6: Final answer
    x = 1,755,614.10

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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.