Home / 1,836,311.45-2,754,933.73-1,078,793.37

Finding the Fourth Proportional to 1,836,311.45, 2,754,933.73 and 1,078,793.37

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Solution

The fourth proportional to 1,836,311.45, 2,754,933.73 and 1,078,793.37 is: 1,618,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,311.45 : 2,754,933.73 = 1,078,793.37 : x
  2. Step 2: Convert to fraction form
    1,836,311.45/2,754,933.73 = 1,078,793.37/x
  3. Step 3: Cross multiply
    1,836,311.45x = 2,754,933.73 × 1,078,793.37
  4. Step 4: Simplify right side
    1,836,311.45x = 2,972,004,240,016.39
  5. Step 5: Solve for x
    x = 2,972,004,240,016.39/1,836,311.45
  6. Step 6: Final answer
    x = 1,618,464.15

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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.