Home / 5,328,849.45-7,991,524.58-1,962,619.05

Finding the Fourth Proportional to 5,328,849.45, 7,991,524.58 and 1,962,619.05

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Solution

The fourth proportional to 5,328,849.45, 7,991,524.58 and 1,962,619.05 is: 2,943,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,849.45 : 7,991,524.58 = 1,962,619.05 : x
  2. Step 2: Convert to fraction form
    5,328,849.45/7,991,524.58 = 1,962,619.05/x
  3. Step 3: Cross multiply
    5,328,849.45x = 7,991,524.58 × 1,962,619.05
  4. Step 4: Simplify right side
    5,328,849.45x = 15,684,318,369,438.15
  5. Step 5: Solve for x
    x = 15,684,318,369,438.15/5,328,849.45
  6. Step 6: Final answer
    x = 2,943,284.20

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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.