Home / 4,678,796.70-7,018,195.05-1,646,630.55

Finding the Fourth Proportional to 4,678,796.70, 7,018,195.05 and 1,646,630.55

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Solution

The fourth proportional to 4,678,796.70, 7,018,195.05 and 1,646,630.55 is: 2,469,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,796.70 : 7,018,195.05 = 1,646,630.55 : x
  2. Step 2: Convert to fraction form
    4,678,796.70/7,018,195.05 = 1,646,630.55/x
  3. Step 3: Cross multiply
    4,678,796.70x = 7,018,195.05 × 1,646,630.55
  4. Step 4: Simplify right side
    4,678,796.70x = 11,556,374,375,188.78
  5. Step 5: Solve for x
    x = 11,556,374,375,188.78/4,678,796.70
  6. Step 6: Final answer
    x = 2,469,945.83

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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.