Home / 2,239,969.60-3,361,266.60-820,169.20

Finding the Fourth Proportional to 2,239,969.60, 3,361,266.60 and 820,169.20

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Solution

The fourth proportional to 2,239,969.60, 3,361,266.60 and 820,169.20 is: 1,230,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,969.60 : 3,361,266.60 = 820,169.20 : x
  2. Step 2: Convert to fraction form
    2,239,969.60/3,361,266.60 = 820,169.20/x
  3. Step 3: Cross multiply
    2,239,969.60x = 3,361,266.60 × 820,169.20
  4. Step 4: Simplify right side
    2,239,969.60x = 2,756,807,338,308.72
  5. Step 5: Solve for x
    x = 2,756,807,338,308.72/2,239,969.60
  6. Step 6: Final answer
    x = 1,230,734.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.