Home / 5,458,115.80-8,171,427.30-4,891,245.40

Finding the Fourth Proportional to 5,458,115.80, 8,171,427.30 and 4,891,245.40

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Solution

The fourth proportional to 5,458,115.80, 8,171,427.30 and 4,891,245.40 is: 7,322,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,115.80 : 8,171,427.30 = 4,891,245.40 : x
  2. Step 2: Convert to fraction form
    5,458,115.80/8,171,427.30 = 4,891,245.40/x
  3. Step 3: Cross multiply
    5,458,115.80x = 8,171,427.30 × 4,891,245.40
  4. Step 4: Simplify right side
    5,458,115.80x = 39,968,456,192,559.42
  5. Step 5: Solve for x
    x = 39,968,456,192,559.42/5,458,115.80
  6. Step 6: Final answer
    x = 7,322,757.09

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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.