Home / 6,849,230.70-10,275,318.43-1,991,621.61

Finding the Fourth Proportional to 6,849,230.70, 10,275,318.43 and 1,991,621.61

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Solution

The fourth proportional to 6,849,230.70, 10,275,318.43 and 1,991,621.61 is: 2,987,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,230.70 : 10,275,318.43 = 1,991,621.61 : x
  2. Step 2: Convert to fraction form
    6,849,230.70/10,275,318.43 = 1,991,621.61/x
  3. Step 3: Cross multiply
    6,849,230.70x = 10,275,318.43 × 1,991,621.61
  4. Step 4: Simplify right side
    6,849,230.70x = 20,464,546,234,819.27
  5. Step 5: Solve for x
    x = 20,464,546,234,819.27/6,849,230.70
  6. Step 6: Final answer
    x = 2,987,860.55

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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.