Home / 6,172,738.43-8,518,286.75-3,419,417.61

Finding the Fourth Proportional to 6,172,738.43, 8,518,286.75 and 3,419,417.61

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Solution

The fourth proportional to 6,172,738.43, 8,518,286.75 and 3,419,417.61 is: 4,718,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,738.43 : 8,518,286.75 = 3,419,417.61 : x
  2. Step 2: Convert to fraction form
    6,172,738.43/8,518,286.75 = 3,419,417.61/x
  3. Step 3: Cross multiply
    6,172,738.43x = 8,518,286.75 × 3,419,417.61
  4. Step 4: Simplify right side
    6,172,738.43x = 29,127,579,702,882.57
  5. Step 5: Solve for x
    x = 29,127,579,702,882.57/6,172,738.43
  6. Step 6: Final answer
    x = 4,718,745.18

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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.