Home / 1,787,247.40-2,682,183.30-1,188,009.40

Finding the Fourth Proportional to 1,787,247.40, 2,682,183.30 and 1,188,009.40

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Solution

The fourth proportional to 1,787,247.40, 2,682,183.30 and 1,188,009.40 is: 1,782,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,247.40 : 2,682,183.30 = 1,188,009.40 : x
  2. Step 2: Convert to fraction form
    1,787,247.40/2,682,183.30 = 1,188,009.40/x
  3. Step 3: Cross multiply
    1,787,247.40x = 2,682,183.30 × 1,188,009.40
  4. Step 4: Simplify right side
    1,787,247.40x = 3,186,458,972,923.02
  5. Step 5: Solve for x
    x = 3,186,458,972,923.02/1,787,247.40
  6. Step 6: Final answer
    x = 1,782,886.34

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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.