Home / 2,239,013.18-3,089,839.01-1,272,144.74

Finding the Fourth Proportional to 2,239,013.18, 3,089,839.01 and 1,272,144.74

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Solution

The fourth proportional to 2,239,013.18, 3,089,839.01 and 1,272,144.74 is: 1,755,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,013.18 : 3,089,839.01 = 1,272,144.74 : x
  2. Step 2: Convert to fraction form
    2,239,013.18/3,089,839.01 = 1,272,144.74/x
  3. Step 3: Cross multiply
    2,239,013.18x = 3,089,839.01 × 1,272,144.74
  4. Step 4: Simplify right side
    2,239,013.18x = 3,930,722,431,749.47
  5. Step 5: Solve for x
    x = 3,930,722,431,749.47/2,239,013.18
  6. Step 6: Final answer
    x = 1,755,560.21

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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.