Home / 5,325,995.70-7,988,993.55-3,306,519.90

Finding the Fourth Proportional to 5,325,995.70, 7,988,993.55 and 3,306,519.90

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Solution

The fourth proportional to 5,325,995.70, 7,988,993.55 and 3,306,519.90 is: 4,959,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,995.70 : 7,988,993.55 = 3,306,519.90 : x
  2. Step 2: Convert to fraction form
    5,325,995.70/7,988,993.55 = 3,306,519.90/x
  3. Step 3: Cross multiply
    5,325,995.70x = 7,988,993.55 × 3,306,519.90
  4. Step 4: Simplify right side
    5,325,995.70x = 26,415,766,154,046.64
  5. Step 5: Solve for x
    x = 26,415,766,154,046.64/5,325,995.70
  6. Step 6: Final answer
    x = 4,959,779.85

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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.