Home / 1,949,180.40-2,690,116.08-1,089,791.52

Finding the Fourth Proportional to 1,949,180.40, 2,690,116.08 and 1,089,791.52

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Solution

The fourth proportional to 1,949,180.40, 2,690,116.08 and 1,089,791.52 is: 1,504,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,180.40 : 2,690,116.08 = 1,089,791.52 : x
  2. Step 2: Convert to fraction form
    1,949,180.40/2,690,116.08 = 1,089,791.52/x
  3. Step 3: Cross multiply
    1,949,180.40x = 2,690,116.08 × 1,089,791.52
  4. Step 4: Simplify right side
    1,949,180.40x = 2,931,665,691,799.64
  5. Step 5: Solve for x
    x = 2,931,665,691,799.64/1,949,180.40
  6. Step 6: Final answer
    x = 1,504,050.47

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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.