Home / 3,932,116.99-5,425,975.71-2,189,654.80

Finding the Fourth Proportional to 3,932,116.99, 5,425,975.71 and 2,189,654.80

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Solution

The fourth proportional to 3,932,116.99, 5,425,975.71 and 2,189,654.80 is: 3,021,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,116.99 : 5,425,975.71 = 2,189,654.80 : x
  2. Step 2: Convert to fraction form
    3,932,116.99/5,425,975.71 = 2,189,654.80/x
  3. Step 3: Cross multiply
    3,932,116.99x = 5,425,975.71 × 2,189,654.80
  4. Step 4: Simplify right side
    3,932,116.99x = 11,881,013,744,519.97
  5. Step 5: Solve for x
    x = 11,881,013,744,519.97/3,932,116.99
  6. Step 6: Final answer
    x = 3,021,531.09

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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.