Home / 2,782,786.54-4,173,687.74-1,266,112.98

Finding the Fourth Proportional to 2,782,786.54, 4,173,687.74 and 1,266,112.98

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Solution

The fourth proportional to 2,782,786.54, 4,173,687.74 and 1,266,112.98 is: 1,898,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,786.54 : 4,173,687.74 = 1,266,112.98 : x
  2. Step 2: Convert to fraction form
    2,782,786.54/4,173,687.74 = 1,266,112.98/x
  3. Step 3: Cross multiply
    2,782,786.54x = 4,173,687.74 × 1,266,112.98
  4. Step 4: Simplify right side
    2,782,786.54x = 5,284,360,222,080.87
  5. Step 5: Solve for x
    x = 5,284,360,222,080.87/2,782,786.54
  6. Step 6: Final answer
    x = 1,898,945.59

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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.