Home / 4,118,825.20-6,179,404.20-1,279,224.40

Finding the Fourth Proportional to 4,118,825.20, 6,179,404.20 and 1,279,224.40

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Solution

The fourth proportional to 4,118,825.20, 6,179,404.20 and 1,279,224.40 is: 1,919,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,825.20 : 6,179,404.20 = 1,279,224.40 : x
  2. Step 2: Convert to fraction form
    4,118,825.20/6,179,404.20 = 1,279,224.40/x
  3. Step 3: Cross multiply
    4,118,825.20x = 6,179,404.20 × 1,279,224.40
  4. Step 4: Simplify right side
    4,118,825.20x = 7,904,844,630,102.48
  5. Step 5: Solve for x
    x = 7,904,844,630,102.48/4,118,825.20
  6. Step 6: Final answer
    x = 1,919,198.86

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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.