Home / 4,170,662.90-6,248,121.15-2,142,001.70

Finding the Fourth Proportional to 4,170,662.90, 6,248,121.15 and 2,142,001.70

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Solution

The fourth proportional to 4,170,662.90, 6,248,121.15 and 2,142,001.70 is: 3,208,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170,662.90 : 6,248,121.15 = 2,142,001.70 : x
  2. Step 2: Convert to fraction form
    4,170,662.90/6,248,121.15 = 2,142,001.70/x
  3. Step 3: Cross multiply
    4,170,662.90x = 6,248,121.15 × 2,142,001.70
  4. Step 4: Simplify right side
    4,170,662.90x = 13,383,486,125,105.96
  5. Step 5: Solve for x
    x = 13,383,486,125,105.96/4,170,662.90
  6. Step 6: Final answer
    x = 3,208,958.97

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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.