Home / 2,239,112.82-3,089,975.78-1,220,517.56

Finding the Fourth Proportional to 2,239,112.82, 3,089,975.78 and 1,220,517.56

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Solution

The fourth proportional to 2,239,112.82, 3,089,975.78 and 1,220,517.56 is: 1,684,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,112.82 : 3,089,975.78 = 1,220,517.56 : x
  2. Step 2: Convert to fraction form
    2,239,112.82/3,089,975.78 = 1,220,517.56/x
  3. Step 3: Cross multiply
    2,239,112.82x = 3,089,975.78 × 1,220,517.56
  4. Step 4: Simplify right side
    2,239,112.82x = 3,771,369,699,464.70
  5. Step 5: Solve for x
    x = 3,771,369,699,464.70/2,239,112.82
  6. Step 6: Final answer
    x = 1,684,314.28

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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.