Home / 2,118,589.44-2,923,641.12-1,200,991.60

Finding the Fourth Proportional to 2,118,589.44, 2,923,641.12 and 1,200,991.60

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Solution

The fourth proportional to 2,118,589.44, 2,923,641.12 and 1,200,991.60 is: 1,657,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,589.44 : 2,923,641.12 = 1,200,991.60 : x
  2. Step 2: Convert to fraction form
    2,118,589.44/2,923,641.12 = 1,200,991.60/x
  3. Step 3: Cross multiply
    2,118,589.44x = 2,923,641.12 × 1,200,991.60
  4. Step 4: Simplify right side
    2,118,589.44x = 3,511,268,426,534.59
  5. Step 5: Solve for x
    x = 3,511,268,426,534.59/2,118,589.44
  6. Step 6: Final answer
    x = 1,657,361.43

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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.