Home / 3,614,939.82-5,422,428.36-1,218,805.38

Finding the Fourth Proportional to 3,614,939.82, 5,422,428.36 and 1,218,805.38

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Solution

The fourth proportional to 3,614,939.82, 5,422,428.36 and 1,218,805.38 is: 1,828,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614,939.82 : 5,422,428.36 = 1,218,805.38 : x
  2. Step 2: Convert to fraction form
    3,614,939.82/5,422,428.36 = 1,218,805.38/x
  3. Step 3: Cross multiply
    3,614,939.82x = 5,422,428.36 × 1,218,805.38
  4. Step 4: Simplify right side
    3,614,939.82x = 6,608,884,857,832.58
  5. Step 5: Solve for x
    x = 6,608,884,857,832.58/3,614,939.82
  6. Step 6: Final answer
    x = 1,828,214.35

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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.