Home / 3,317,891.60-4,976,837.40-1,188,045.20

Finding the Fourth Proportional to 3,317,891.60, 4,976,837.40 and 1,188,045.20

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Solution

The fourth proportional to 3,317,891.60, 4,976,837.40 and 1,188,045.20 is: 1,782,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,891.60 : 4,976,837.40 = 1,188,045.20 : x
  2. Step 2: Convert to fraction form
    3,317,891.60/4,976,837.40 = 1,188,045.20/x
  3. Step 3: Cross multiply
    3,317,891.60x = 4,976,837.40 × 1,188,045.20
  4. Step 4: Simplify right side
    3,317,891.60x = 5,912,707,784,250.48
  5. Step 5: Solve for x
    x = 5,912,707,784,250.48/3,317,891.60
  6. Step 6: Final answer
    x = 1,782,067.80

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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.