Home / 3,208,137.56-4,812,813.26-1,289,198.15

Finding the Fourth Proportional to 3,208,137.56, 4,812,813.26 and 1,289,198.15

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Solution

The fourth proportional to 3,208,137.56, 4,812,813.26 and 1,289,198.15 is: 1,934,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,137.56 : 4,812,813.26 = 1,289,198.15 : x
  2. Step 2: Convert to fraction form
    3,208,137.56/4,812,813.26 = 1,289,198.15/x
  3. Step 3: Cross multiply
    3,208,137.56x = 4,812,813.26 × 1,289,198.15
  4. Step 4: Simplify right side
    3,208,137.56x = 6,204,669,951,087.47
  5. Step 5: Solve for x
    x = 6,204,669,951,087.47/3,208,137.56
  6. Step 6: Final answer
    x = 1,934,041.12

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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.