Home / 3,171,385.32-4,757,668.20-1,442,379.57

Finding the Fourth Proportional to 3,171,385.32, 4,757,668.20 and 1,442,379.57

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Solution

The fourth proportional to 3,171,385.32, 4,757,668.20 and 1,442,379.57 is: 2,163,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,385.32 : 4,757,668.20 = 1,442,379.57 : x
  2. Step 2: Convert to fraction form
    3,171,385.32/4,757,668.20 = 1,442,379.57/x
  3. Step 3: Cross multiply
    3,171,385.32x = 4,757,668.20 × 1,442,379.57
  4. Step 4: Simplify right side
    3,171,385.32x = 6,862,363,412,518.68
  5. Step 5: Solve for x
    x = 6,862,363,412,518.68/3,171,385.32
  6. Step 6: Final answer
    x = 2,163,837.79

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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.