Home / 3,505,317.92-5,257,769.52-980,917.28

Finding the Fourth Proportional to 3,505,317.92, 5,257,769.52 and 980,917.28

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Solution

The fourth proportional to 3,505,317.92, 5,257,769.52 and 980,917.28 is: 1,471,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,317.92 : 5,257,769.52 = 980,917.28 : x
  2. Step 2: Convert to fraction form
    3,505,317.92/5,257,769.52 = 980,917.28/x
  3. Step 3: Cross multiply
    3,505,317.92x = 5,257,769.52 × 980,917.28
  4. Step 4: Simplify right side
    3,505,317.92x = 5,157,436,976,425.31
  5. Step 5: Solve for x
    x = 5,157,436,976,425.31/3,505,317.92
  6. Step 6: Final answer
    x = 1,471,317.89

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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.