Home / 1,965,229.82-2,713,081.62-1,378,331.64

Finding the Fourth Proportional to 1,965,229.82, 2,713,081.62 and 1,378,331.64

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Solution

The fourth proportional to 1,965,229.82, 2,713,081.62 and 1,378,331.64 is: 1,902,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,229.82 : 2,713,081.62 = 1,378,331.64 : x
  2. Step 2: Convert to fraction form
    1,965,229.82/2,713,081.62 = 1,378,331.64/x
  3. Step 3: Cross multiply
    1,965,229.82x = 2,713,081.62 × 1,378,331.64
  4. Step 4: Simplify right side
    1,965,229.82x = 3,739,526,238,748.46
  5. Step 5: Solve for x
    x = 3,739,526,238,748.46/1,965,229.82
  6. Step 6: Final answer
    x = 1,902,844.24

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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.