Home / 3,479,692.40-5,211,244.20-2,135,999.60

Finding the Fourth Proportional to 3,479,692.40, 5,211,244.20 and 2,135,999.60

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Solution

The fourth proportional to 3,479,692.40, 5,211,244.20 and 2,135,999.60 is: 3,198,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,692.40 : 5,211,244.20 = 2,135,999.60 : x
  2. Step 2: Convert to fraction form
    3,479,692.40/5,211,244.20 = 2,135,999.60/x
  3. Step 3: Cross multiply
    3,479,692.40x = 5,211,244.20 × 2,135,999.60
  4. Step 4: Simplify right side
    3,479,692.40x = 11,131,215,526,702.32
  5. Step 5: Solve for x
    x = 11,131,215,526,702.32/3,479,692.40
  6. Step 6: Final answer
    x = 3,198,907.91

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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.