Home / 5,181,770.67-7,150,855.94-2,890,078.98

Finding the Fourth Proportional to 5,181,770.67, 7,150,855.94 and 2,890,078.98

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Solution

The fourth proportional to 5,181,770.67, 7,150,855.94 and 2,890,078.98 is: 3,988,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,770.67 : 7,150,855.94 = 2,890,078.98 : x
  2. Step 2: Convert to fraction form
    5,181,770.67/7,150,855.94 = 2,890,078.98/x
  3. Step 3: Cross multiply
    5,181,770.67x = 7,150,855.94 × 2,890,078.98
  4. Step 4: Simplify right side
    5,181,770.67x = 20,666,538,441,202.14
  5. Step 5: Solve for x
    x = 20,666,538,441,202.14/5,181,770.67
  6. Step 6: Final answer
    x = 3,988,315.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.