Home / 3,654,006.90-5,478,519.22-1,853,418.36

Finding the Fourth Proportional to 3,654,006.90, 5,478,519.22 and 1,853,418.36

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Solution

The fourth proportional to 3,654,006.90, 5,478,519.22 and 1,853,418.36 is: 2,778,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654,006.90 : 5,478,519.22 = 1,853,418.36 : x
  2. Step 2: Convert to fraction form
    3,654,006.90/5,478,519.22 = 1,853,418.36/x
  3. Step 3: Cross multiply
    3,654,006.90x = 5,478,519.22 × 1,853,418.36
  4. Step 4: Simplify right side
    3,654,006.90x = 10,153,988,107,960.88
  5. Step 5: Solve for x
    x = 10,153,988,107,960.88/3,654,006.90
  6. Step 6: Final answer
    x = 2,778,863.97

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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.