Home / 5,431,039.40-8,151,151.80-2,238,456.80

Finding the Fourth Proportional to 5,431,039.40, 8,151,151.80 and 2,238,456.80

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Solution

The fourth proportional to 5,431,039.40, 8,151,151.80 and 2,238,456.80 is: 3,359,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,039.40 : 8,151,151.80 = 2,238,456.80 : x
  2. Step 2: Convert to fraction form
    5,431,039.40/8,151,151.80 = 2,238,456.80/x
  3. Step 3: Cross multiply
    5,431,039.40x = 8,151,151.80 × 2,238,456.80
  4. Step 4: Simplify right side
    5,431,039.40x = 18,246,001,174,542.24
  5. Step 5: Solve for x
    x = 18,246,001,174,542.24/5,431,039.40
  6. Step 6: Final answer
    x = 3,359,578.13

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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.