Home / 2,158,137.45-3,234,975.44-809,348.94

Finding the Fourth Proportional to 2,158,137.45, 3,234,975.44 and 809,348.94

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Solution

The fourth proportional to 2,158,137.45, 3,234,975.44 and 809,348.94 is: 1,213,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,137.45 : 3,234,975.44 = 809,348.94 : x
  2. Step 2: Convert to fraction form
    2,158,137.45/3,234,975.44 = 809,348.94/x
  3. Step 3: Cross multiply
    2,158,137.45x = 3,234,975.44 × 809,348.94
  4. Step 4: Simplify right side
    2,158,137.45x = 2,618,223,939,243.29
  5. Step 5: Solve for x
    x = 2,618,223,939,243.29/2,158,137.45
  6. Step 6: Final answer
    x = 1,213,186.83

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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.