Home / 2,165,662.32-2,988,577.73-1,198,771.80

Finding the Fourth Proportional to 2,165,662.32, 2,988,577.73 and 1,198,771.80

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Solution

The fourth proportional to 2,165,662.32, 2,988,577.73 and 1,198,771.80 is: 1,654,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,662.32 : 2,988,577.73 = 1,198,771.80 : x
  2. Step 2: Convert to fraction form
    2,165,662.32/2,988,577.73 = 1,198,771.80/x
  3. Step 3: Cross multiply
    2,165,662.32x = 2,988,577.73 × 1,198,771.80
  4. Step 4: Simplify right side
    2,165,662.32x = 3,582,622,704,832.01
  5. Step 5: Solve for x
    x = 3,582,622,704,832.01/2,165,662.32
  6. Step 6: Final answer
    x = 1,654,285.01

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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.