Home / 1,576,986.72-2,176,241.37-851,834.48

Finding the Fourth Proportional to 1,576,986.72, 2,176,241.37 and 851,834.48

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Solution

The fourth proportional to 1,576,986.72, 2,176,241.37 and 851,834.48 is: 1,175,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,986.72 : 2,176,241.37 = 851,834.48 : x
  2. Step 2: Convert to fraction form
    1,576,986.72/2,176,241.37 = 851,834.48/x
  3. Step 3: Cross multiply
    1,576,986.72x = 2,176,241.37 × 851,834.48
  4. Step 4: Simplify right side
    1,576,986.72x = 1,853,797,435,768.44
  5. Step 5: Solve for x
    x = 1,853,797,435,768.44/1,576,986.72
  6. Step 6: Final answer
    x = 1,175,531.42

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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.