Home / 3,131,620-4,321,635.60-1,700,836

Finding the Fourth Proportional to 3,131,620, 4,321,635.60 and 1,700,836

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Solution

The fourth proportional to 3,131,620, 4,321,635.60 and 1,700,836 is: 2,347,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,620 : 4,321,635.60 = 1,700,836 : x
  2. Step 2: Convert to fraction form
    3,131,620/4,321,635.60 = 1,700,836/x
  3. Step 3: Cross multiply
    3,131,620x = 4,321,635.60 × 1,700,836
  4. Step 4: Simplify right side
    3,131,620x = 7,350,393,407,361.60
  5. Step 5: Solve for x
    x = 7,350,393,407,361.60/3,131,620
  6. Step 6: Final answer
    x = 2,347,153.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.