Home / 3,179,674.14-4,388,005.86-1,729,379.41

Finding the Fourth Proportional to 3,179,674.14, 4,388,005.86 and 1,729,379.41

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Solution

The fourth proportional to 3,179,674.14, 4,388,005.86 and 1,729,379.41 is: 2,386,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,674.14 : 4,388,005.86 = 1,729,379.41 : x
  2. Step 2: Convert to fraction form
    3,179,674.14/4,388,005.86 = 1,729,379.41/x
  3. Step 3: Cross multiply
    3,179,674.14x = 4,388,005.86 × 1,729,379.41
  4. Step 4: Simplify right side
    3,179,674.14x = 7,588,527,002,198.45
  5. Step 5: Solve for x
    x = 7,588,527,002,198.45/3,179,674.14
  6. Step 6: Final answer
    x = 2,386,573.81

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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.