Home / 3,776,821.40-5,666,906.46-1,979,277.50

Finding the Fourth Proportional to 3,776,821.40, 5,666,906.46 and 1,979,277.50

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Solution

The fourth proportional to 3,776,821.40, 5,666,906.46 and 1,979,277.50 is: 2,969,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,821.40 : 5,666,906.46 = 1,979,277.50 : x
  2. Step 2: Convert to fraction form
    3,776,821.40/5,666,906.46 = 1,979,277.50/x
  3. Step 3: Cross multiply
    3,776,821.40x = 5,666,906.46 × 1,979,277.50
  4. Step 4: Simplify right side
    3,776,821.40x = 11,216,380,450,882.65
  5. Step 5: Solve for x
    x = 11,216,380,450,882.65/3,776,821.40
  6. Step 6: Final answer
    x = 2,969,793.71

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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.