Home / 5,107,986.30-7,661,951.78-2,189,649.41

Finding the Fourth Proportional to 5,107,986.30, 7,661,951.78 and 2,189,649.41

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Solution

The fourth proportional to 5,107,986.30, 7,661,951.78 and 2,189,649.41 is: 3,284,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,986.30 : 7,661,951.78 = 2,189,649.41 : x
  2. Step 2: Convert to fraction form
    5,107,986.30/7,661,951.78 = 2,189,649.41/x
  3. Step 3: Cross multiply
    5,107,986.30x = 7,661,951.78 × 2,189,649.41
  4. Step 4: Simplify right side
    5,107,986.30x = 16,776,988,145,267.44
  5. Step 5: Solve for x
    x = 16,776,988,145,267.44/5,107,986.30
  6. Step 6: Final answer
    x = 3,284,462.24

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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.