Home / 2,186,640.38-3,280,907.80-1,174,581.44

Finding the Fourth Proportional to 2,186,640.38, 3,280,907.80 and 1,174,581.44

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Solution

The fourth proportional to 2,186,640.38, 3,280,907.80 and 1,174,581.44 is: 1,762,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,640.38 : 3,280,907.80 = 1,174,581.44 : x
  2. Step 2: Convert to fraction form
    2,186,640.38/3,280,907.80 = 1,174,581.44/x
  3. Step 3: Cross multiply
    2,186,640.38x = 3,280,907.80 × 1,174,581.44
  4. Step 4: Simplify right side
    2,186,640.38x = 3,853,693,408,231.23
  5. Step 5: Solve for x
    x = 3,853,693,408,231.23/2,186,640.38
  6. Step 6: Final answer
    x = 1,762,380.98

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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.