Home / 1,728,175.80-2,587,727.70-1,219,992.60

Finding the Fourth Proportional to 1,728,175.80, 2,587,727.70 and 1,219,992.60

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Solution

The fourth proportional to 1,728,175.80, 2,587,727.70 and 1,219,992.60 is: 1,826,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,175.80 : 2,587,727.70 = 1,219,992.60 : x
  2. Step 2: Convert to fraction form
    1,728,175.80/2,587,727.70 = 1,219,992.60/x
  3. Step 3: Cross multiply
    1,728,175.80x = 2,587,727.70 × 1,219,992.60
  4. Step 4: Simplify right side
    1,728,175.80x = 3,157,008,644,815.02
  5. Step 5: Solve for x
    x = 3,157,008,644,815.02/1,728,175.80
  6. Step 6: Final answer
    x = 1,826,786.75

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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.