Home / 1,978,043.44-2,729,759.40-1,118,586.46

Finding the Fourth Proportional to 1,978,043.44, 2,729,759.40 and 1,118,586.46

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Solution

The fourth proportional to 1,978,043.44, 2,729,759.40 and 1,118,586.46 is: 1,543,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,043.44 : 2,729,759.40 = 1,118,586.46 : x
  2. Step 2: Convert to fraction form
    1,978,043.44/2,729,759.40 = 1,118,586.46/x
  3. Step 3: Cross multiply
    1,978,043.44x = 2,729,759.40 × 1,118,586.46
  4. Step 4: Simplify right side
    1,978,043.44x = 3,053,471,903,897.72
  5. Step 5: Solve for x
    x = 3,053,471,903,897.72/1,978,043.44
  6. Step 6: Final answer
    x = 1,543,682.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.