Home / 2,012,921.96-2,777,874.66-1,107,505.64

Finding the Fourth Proportional to 2,012,921.96, 2,777,874.66 and 1,107,505.64

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Solution

The fourth proportional to 2,012,921.96, 2,777,874.66 and 1,107,505.64 is: 1,528,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,921.96 : 2,777,874.66 = 1,107,505.64 : x
  2. Step 2: Convert to fraction form
    2,012,921.96/2,777,874.66 = 1,107,505.64/x
  3. Step 3: Cross multiply
    2,012,921.96x = 2,777,874.66 × 1,107,505.64
  4. Step 4: Simplify right side
    2,012,921.96x = 3,076,511,853,163.08
  5. Step 5: Solve for x
    x = 3,076,511,853,163.08/2,012,921.96
  6. Step 6: Final answer
    x = 1,528,381.09

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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.