Home / 5,328,631.12-7,991,741.18-2,447,227.84

Finding the Fourth Proportional to 5,328,631.12, 7,991,741.18 and 2,447,227.84

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Solution

The fourth proportional to 5,328,631.12, 7,991,741.18 and 2,447,227.84 is: 3,670,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,631.12 : 7,991,741.18 = 2,447,227.84 : x
  2. Step 2: Convert to fraction form
    5,328,631.12/7,991,741.18 = 2,447,227.84/x
  3. Step 3: Cross multiply
    5,328,631.12x = 7,991,741.18 × 2,447,227.84
  4. Step 4: Simplify right side
    5,328,631.12x = 19,557,611,505,770.45
  5. Step 5: Solve for x
    x = 19,557,611,505,770.45/5,328,631.12
  6. Step 6: Final answer
    x = 3,670,288.12

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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.