Home / 3,613,403.17-4,986,636.11-1,981,879.30

Finding the Fourth Proportional to 3,613,403.17, 4,986,636.11 and 1,981,879.30

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Solution

The fourth proportional to 3,613,403.17, 4,986,636.11 and 1,981,879.30 is: 2,735,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,403.17 : 4,986,636.11 = 1,981,879.30 : x
  2. Step 2: Convert to fraction form
    3,613,403.17/4,986,636.11 = 1,981,879.30/x
  3. Step 3: Cross multiply
    3,613,403.17x = 4,986,636.11 × 1,981,879.30
  4. Step 4: Simplify right side
    3,613,403.17x = 9,882,910,858,747.64
  5. Step 5: Solve for x
    x = 9,882,910,858,747.64/3,613,403.17
  6. Step 6: Final answer
    x = 2,735,070.07

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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.