Home / 3,214,623.40-4,820,183.10-970,469.80

Finding the Fourth Proportional to 3,214,623.40, 4,820,183.10 and 970,469.80

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Solution

The fourth proportional to 3,214,623.40, 4,820,183.10 and 970,469.80 is: 1,455,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,623.40 : 4,820,183.10 = 970,469.80 : x
  2. Step 2: Convert to fraction form
    3,214,623.40/4,820,183.10 = 970,469.80/x
  3. Step 3: Cross multiply
    3,214,623.40x = 4,820,183.10 × 970,469.80
  4. Step 4: Simplify right side
    3,214,623.40x = 4,677,842,129,020.38
  5. Step 5: Solve for x
    x = 4,677,842,129,020.38/3,214,623.40
  6. Step 6: Final answer
    x = 1,455,175.78

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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.