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Finding the Fourth Proportional to 2,160,593.06, 2,981,649.71 and 1,193,745.61

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Solution

The fourth proportional to 2,160,593.06, 2,981,649.71 and 1,193,745.61 is: 1,647,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,593.06 : 2,981,649.71 = 1,193,745.61 : x
  2. Step 2: Convert to fraction form
    2,160,593.06/2,981,649.71 = 1,193,745.61/x
  3. Step 3: Cross multiply
    2,160,593.06x = 2,981,649.71 × 1,193,745.61
  4. Step 4: Simplify right side
    2,160,593.06x = 3,559,331,230,993.30
  5. Step 5: Solve for x
    x = 3,559,331,230,993.30/2,160,593.06
  6. Step 6: Final answer
    x = 1,647,386.22

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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.