Home / 2,238,775.20-3,089,593.20-1,272,069.36

Finding the Fourth Proportional to 2,238,775.20, 3,089,593.20 and 1,272,069.36

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Solution

The fourth proportional to 2,238,775.20, 3,089,593.20 and 1,272,069.36 is: 1,755,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,775.20 : 3,089,593.20 = 1,272,069.36 : x
  2. Step 2: Convert to fraction form
    2,238,775.20/3,089,593.20 = 1,272,069.36/x
  3. Step 3: Cross multiply
    2,238,775.20x = 3,089,593.20 × 1,272,069.36
  4. Step 4: Simplify right side
    2,238,775.20x = 3,930,176,844,584.35
  5. Step 5: Solve for x
    x = 3,930,176,844,584.35/2,238,775.20
  6. Step 6: Final answer
    x = 1,755,503.12

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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.