Home / 2,428,221.78-3,351,054.48-1,396,064.37

Finding the Fourth Proportional to 2,428,221.78, 3,351,054.48 and 1,396,064.37

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Solution

The fourth proportional to 2,428,221.78, 3,351,054.48 and 1,396,064.37 is: 1,926,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,221.78 : 3,351,054.48 = 1,396,064.37 : x
  2. Step 2: Convert to fraction form
    2,428,221.78/3,351,054.48 = 1,396,064.37/x
  3. Step 3: Cross multiply
    2,428,221.78x = 3,351,054.48 × 1,396,064.37
  4. Step 4: Simplify right side
    2,428,221.78x = 4,678,287,761,456.88
  5. Step 5: Solve for x
    x = 4,678,287,761,456.88/2,428,221.78
  6. Step 6: Final answer
    x = 1,926,631.17

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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.