Home / 2,475,977.45-3,416,805.38-1,388,245.65

Finding the Fourth Proportional to 2,475,977.45, 3,416,805.38 and 1,388,245.65

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Solution

The fourth proportional to 2,475,977.45, 3,416,805.38 and 1,388,245.65 is: 1,915,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,977.45 : 3,416,805.38 = 1,388,245.65 : x
  2. Step 2: Convert to fraction form
    2,475,977.45/3,416,805.38 = 1,388,245.65/x
  3. Step 3: Cross multiply
    2,475,977.45x = 3,416,805.38 × 1,388,245.65
  4. Step 4: Simplify right side
    2,475,977.45x = 4,743,365,198,740.37
  5. Step 5: Solve for x
    x = 4,743,365,198,740.37/2,475,977.45
  6. Step 6: Final answer
    x = 1,915,754.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.