Home / 1,997,103.78-2,755,790.64-1,181,338.20

Finding the Fourth Proportional to 1,997,103.78, 2,755,790.64 and 1,181,338.20

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Solution

The fourth proportional to 1,997,103.78, 2,755,790.64 and 1,181,338.20 is: 1,630,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,103.78 : 2,755,790.64 = 1,181,338.20 : x
  2. Step 2: Convert to fraction form
    1,997,103.78/2,755,790.64 = 1,181,338.20/x
  3. Step 3: Cross multiply
    1,997,103.78x = 2,755,790.64 × 1,181,338.20
  4. Step 4: Simplify right side
    1,997,103.78x = 3,255,520,754,234.45
  5. Step 5: Solve for x
    x = 3,255,520,754,234.45/1,997,103.78
  6. Step 6: Final answer
    x = 1,630,120.97

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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.