Home / 2,187,774.80-3,281,640.60-691,866.80

Finding the Fourth Proportional to 2,187,774.80, 3,281,640.60 and 691,866.80

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Solution

The fourth proportional to 2,187,774.80, 3,281,640.60 and 691,866.80 is: 1,037,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,774.80 : 3,281,640.60 = 691,866.80 : x
  2. Step 2: Convert to fraction form
    2,187,774.80/3,281,640.60 = 691,866.80/x
  3. Step 3: Cross multiply
    2,187,774.80x = 3,281,640.60 × 691,866.80
  4. Step 4: Simplify right side
    2,187,774.80x = 2,270,458,180,672.08
  5. Step 5: Solve for x
    x = 2,270,458,180,672.08/2,187,774.80
  6. Step 6: Final answer
    x = 1,037,793.37

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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.