Home / 4,878,427.20-7,328,199.82-3,171,692.66

Finding the Fourth Proportional to 4,878,427.20, 7,328,199.82 and 3,171,692.66

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Solution

The fourth proportional to 4,878,427.20, 7,328,199.82 and 3,171,692.66 is: 4,764,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,427.20 : 7,328,199.82 = 3,171,692.66 : x
  2. Step 2: Convert to fraction form
    4,878,427.20/7,328,199.82 = 3,171,692.66/x
  3. Step 3: Cross multiply
    4,878,427.20x = 7,328,199.82 × 3,171,692.66
  4. Step 4: Simplify right side
    4,878,427.20x = 23,242,797,580,107.32
  5. Step 5: Solve for x
    x = 23,242,797,580,107.32/4,878,427.20
  6. Step 6: Final answer
    x = 4,764,403.90

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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.