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Finding the Fourth Proportional to 3,198,352.62, 4,795,771.77 and 1,575,550.65

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Solution

The fourth proportional to 3,198,352.62, 4,795,771.77 and 1,575,550.65 is: 2,362,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,352.62 : 4,795,771.77 = 1,575,550.65 : x
  2. Step 2: Convert to fraction form
    3,198,352.62/4,795,771.77 = 1,575,550.65/x
  3. Step 3: Cross multiply
    3,198,352.62x = 4,795,771.77 × 1,575,550.65
  4. Step 4: Simplify right side
    3,198,352.62x = 7,555,981,329,475.15
  5. Step 5: Solve for x
    x = 7,555,981,329,475.15/3,198,352.62
  6. Step 6: Final answer
    x = 2,362,460.37

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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.