Home / 2,164,997.60-2,987,622.96-1,198,168.64

Finding the Fourth Proportional to 2,164,997.60, 2,987,622.96 and 1,198,168.64

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Solution

The fourth proportional to 2,164,997.60, 2,987,622.96 and 1,198,168.64 is: 1,653,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,997.60 : 2,987,622.96 = 1,198,168.64 : x
  2. Step 2: Convert to fraction form
    2,164,997.60/2,987,622.96 = 1,198,168.64/x
  3. Step 3: Cross multiply
    2,164,997.60x = 2,987,622.96 × 1,198,168.64
  4. Step 4: Simplify right side
    2,164,997.60x = 3,579,676,138,815.97
  5. Step 5: Solve for x
    x = 3,579,676,138,815.97/2,164,997.60
  6. Step 6: Final answer
    x = 1,653,431.92

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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.