Home / 2,777,778.52-4,158,366.24-1,680,241.86

Finding the Fourth Proportional to 2,777,778.52, 4,158,366.24 and 1,680,241.86

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Solution

The fourth proportional to 2,777,778.52, 4,158,366.24 and 1,680,241.86 is: 2,515,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,778.52 : 4,158,366.24 = 1,680,241.86 : x
  2. Step 2: Convert to fraction form
    2,777,778.52/4,158,366.24 = 1,680,241.86/x
  3. Step 3: Cross multiply
    2,777,778.52x = 4,158,366.24 × 1,680,241.86
  4. Step 4: Simplify right side
    2,777,778.52x = 6,987,061,025,658.81
  5. Step 5: Solve for x
    x = 6,987,061,025,658.81/2,777,778.52
  6. Step 6: Final answer
    x = 2,515,341.30

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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.