Home / 3,908,093.49-5,393,072.21-2,189,202.21

Finding the Fourth Proportional to 3,908,093.49, 5,393,072.21 and 2,189,202.21

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Solution

The fourth proportional to 3,908,093.49, 5,393,072.21 and 2,189,202.21 is: 3,021,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,093.49 : 5,393,072.21 = 2,189,202.21 : x
  2. Step 2: Convert to fraction form
    3,908,093.49/5,393,072.21 = 2,189,202.21/x
  3. Step 3: Cross multiply
    3,908,093.49x = 5,393,072.21 × 2,189,202.21
  4. Step 4: Simplify right side
    3,908,093.49x = 11,806,525,589,875.57
  5. Step 5: Solve for x
    x = 11,806,525,589,875.57/3,908,093.49
  6. Step 6: Final answer
    x = 3,021,044.82

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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.