Home / 2,405,067.21-3,319,035.88-1,317,268.72

Finding the Fourth Proportional to 2,405,067.21, 3,319,035.88 and 1,317,268.72

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Solution

The fourth proportional to 2,405,067.21, 3,319,035.88 and 1,317,268.72 is: 1,817,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,067.21 : 3,319,035.88 = 1,317,268.72 : x
  2. Step 2: Convert to fraction form
    2,405,067.21/3,319,035.88 = 1,317,268.72/x
  3. Step 3: Cross multiply
    2,405,067.21x = 3,319,035.88 × 1,317,268.72
  4. Step 4: Simplify right side
    2,405,067.21x = 4,372,062,161,175.92
  5. Step 5: Solve for x
    x = 4,372,062,161,175.92/2,405,067.21
  6. Step 6: Final answer
    x = 1,817,854.46

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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.