Home / 3,986,678.80-5,972,890.20-2,425,862.80

Finding the Fourth Proportional to 3,986,678.80, 5,972,890.20 and 2,425,862.80

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Solution

The fourth proportional to 3,986,678.80, 5,972,890.20 and 2,425,862.80 is: 3,634,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,678.80 : 5,972,890.20 = 2,425,862.80 : x
  2. Step 2: Convert to fraction form
    3,986,678.80/5,972,890.20 = 2,425,862.80/x
  3. Step 3: Cross multiply
    3,986,678.80x = 5,972,890.20 × 2,425,862.80
  4. Step 4: Simplify right side
    3,986,678.80x = 14,489,412,144,664.56
  5. Step 5: Solve for x
    x = 14,489,412,144,664.56/3,986,678.80
  6. Step 6: Final answer
    x = 3,634,456.87

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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.