Home / 4,179,786-6,269,756.79-1,188,047.76

Finding the Fourth Proportional to 4,179,786, 6,269,756.79 and 1,188,047.76

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Solution

The fourth proportional to 4,179,786, 6,269,756.79 and 1,188,047.76 is: 1,782,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179,786 : 6,269,756.79 = 1,188,047.76 : x
  2. Step 2: Convert to fraction form
    4,179,786/6,269,756.79 = 1,188,047.76/x
  3. Step 3: Cross multiply
    4,179,786x = 6,269,756.79 × 1,188,047.76
  4. Step 4: Simplify right side
    4,179,786x = 7,448,770,510,104.29
  5. Step 5: Solve for x
    x = 7,448,770,510,104.29/4,179,786
  6. Step 6: Final answer
    x = 1,782,093.75

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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.