Home / 1,227,876.63-1,682,199.15-1,181,855.01

Finding the Fourth Proportional to 1,227,876.63, 1,682,199.15 and 1,181,855.01

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Solution

The fourth proportional to 1,227,876.63, 1,682,199.15 and 1,181,855.01 is: 1,619,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,876.63 : 1,682,199.15 = 1,181,855.01 : x
  2. Step 2: Convert to fraction form
    1,227,876.63/1,682,199.15 = 1,181,855.01/x
  3. Step 3: Cross multiply
    1,227,876.63x = 1,682,199.15 × 1,181,855.01
  4. Step 4: Simplify right side
    1,227,876.63x = 1,988,115,493,245.24
  5. Step 5: Solve for x
    x = 1,988,115,493,245.24/1,227,876.63
  6. Step 6: Final answer
    x = 1,619,149.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.