Home / 5,212,108.13-7,192,696.77-2,857,301.73

Finding the Fourth Proportional to 5,212,108.13, 7,192,696.77 and 2,857,301.73

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Solution

The fourth proportional to 5,212,108.13, 7,192,696.77 and 2,857,301.73 is: 3,943,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,108.13 : 7,192,696.77 = 2,857,301.73 : x
  2. Step 2: Convert to fraction form
    5,212,108.13/7,192,696.77 = 2,857,301.73/x
  3. Step 3: Cross multiply
    5,212,108.13x = 7,192,696.77 × 2,857,301.73
  4. Step 4: Simplify right side
    5,212,108.13x = 20,551,704,924,286.41
  5. Step 5: Solve for x
    x = 20,551,704,924,286.41/5,212,108.13
  6. Step 6: Final answer
    x = 3,943,069.57

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1.5x scale

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.