Home / 3,253,772.94-4,879,676.78-978,693.39

Finding the Fourth Proportional to 3,253,772.94, 4,879,676.78 and 978,693.39

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Solution

The fourth proportional to 3,253,772.94, 4,879,676.78 and 978,693.39 is: 1,467,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253,772.94 : 4,879,676.78 = 978,693.39 : x
  2. Step 2: Convert to fraction form
    3,253,772.94/4,879,676.78 = 978,693.39/x
  3. Step 3: Cross multiply
    3,253,772.94x = 4,879,676.78 × 978,693.39
  4. Step 4: Simplify right side
    3,253,772.94x = 4,775,707,409,922.48
  5. Step 5: Solve for x
    x = 4,775,707,409,922.48/3,253,772.94
  6. Step 6: Final answer
    x = 1,467,744.52

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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.