Home / 3,101,374.62-4,279,269.42-1,811,965.86

Finding the Fourth Proportional to 3,101,374.62, 4,279,269.42 and 1,811,965.86

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Solution

The fourth proportional to 3,101,374.62, 4,279,269.42 and 1,811,965.86 is: 2,500,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,374.62 : 4,279,269.42 = 1,811,965.86 : x
  2. Step 2: Convert to fraction form
    3,101,374.62/4,279,269.42 = 1,811,965.86/x
  3. Step 3: Cross multiply
    3,101,374.62x = 4,279,269.42 × 1,811,965.86
  4. Step 4: Simplify right side
    3,101,374.62x = 7,753,890,094,782.00
  5. Step 5: Solve for x
    x = 7,753,890,094,782.00/3,101,374.62
  6. Step 6: Final answer
    x = 2,500,146.24

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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.