Home / 3,172,795.98-4,378,458.54-1,722,489.36

Finding the Fourth Proportional to 3,172,795.98, 4,378,458.54 and 1,722,489.36

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Solution

The fourth proportional to 3,172,795.98, 4,378,458.54 and 1,722,489.36 is: 2,377,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,795.98 : 4,378,458.54 = 1,722,489.36 : x
  2. Step 2: Convert to fraction form
    3,172,795.98/4,378,458.54 = 1,722,489.36/x
  3. Step 3: Cross multiply
    3,172,795.98x = 4,378,458.54 × 1,722,489.36
  4. Step 4: Simplify right side
    3,172,795.98x = 7,541,848,248,351.14
  5. Step 5: Solve for x
    x = 7,541,848,248,351.14/3,172,795.98
  6. Step 6: Final answer
    x = 2,377,035.36

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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.