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Finding the Fourth Proportional to 2,044,651.86, 2,821,610.16 and 1,126,879.02

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Solution

The fourth proportional to 2,044,651.86, 2,821,610.16 and 1,126,879.02 is: 1,555,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044,651.86 : 2,821,610.16 = 1,126,879.02 : x
  2. Step 2: Convert to fraction form
    2,044,651.86/2,821,610.16 = 1,126,879.02/x
  3. Step 3: Cross multiply
    2,044,651.86x = 2,821,610.16 × 1,126,879.02
  4. Step 4: Simplify right side
    2,044,651.86x = 3,179,613,291,922.84
  5. Step 5: Solve for x
    x = 3,179,613,291,922.84/2,044,651.86
  6. Step 6: Final answer
    x = 1,555,087.86

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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.