Home / 1,938,067.60-2,907,619.80-1,378,195.60

Finding the Fourth Proportional to 1,938,067.60, 2,907,619.80 and 1,378,195.60

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Solution

The fourth proportional to 1,938,067.60, 2,907,619.80 and 1,378,195.60 is: 2,067,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,067.60 : 2,907,619.80 = 1,378,195.60 : x
  2. Step 2: Convert to fraction form
    1,938,067.60/2,907,619.80 = 1,378,195.60/x
  3. Step 3: Cross multiply
    1,938,067.60x = 2,907,619.80 × 1,378,195.60
  4. Step 4: Simplify right side
    1,938,067.60x = 4,007,268,814,832.88
  5. Step 5: Solve for x
    x = 4,007,268,814,832.88/1,938,067.60
  6. Step 6: Final answer
    x = 2,067,662.04

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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.