Home / 2,326,647.20-3,489,195.74-978,558.53

Finding the Fourth Proportional to 2,326,647.20, 3,489,195.74 and 978,558.53

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Solution

The fourth proportional to 2,326,647.20, 3,489,195.74 and 978,558.53 is: 1,467,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326,647.20 : 3,489,195.74 = 978,558.53 : x
  2. Step 2: Convert to fraction form
    2,326,647.20/3,489,195.74 = 978,558.53/x
  3. Step 3: Cross multiply
    2,326,647.20x = 3,489,195.74 × 978,558.53
  4. Step 4: Simplify right side
    2,326,647.20x = 3,414,382,231,877.89
  5. Step 5: Solve for x
    x = 3,414,382,231,877.89/2,326,647.20
  6. Step 6: Final answer
    x = 1,467,511.81

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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.