Home / 1,661,222.11-2,292,488.12-897,275.66

Finding the Fourth Proportional to 1,661,222.11, 2,292,488.12 and 897,275.66

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Solution

The fourth proportional to 1,661,222.11, 2,292,488.12 and 897,275.66 is: 1,238,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,222.11 : 2,292,488.12 = 897,275.66 : x
  2. Step 2: Convert to fraction form
    1,661,222.11/2,292,488.12 = 897,275.66/x
  3. Step 3: Cross multiply
    1,661,222.11x = 2,292,488.12 × 897,275.66
  4. Step 4: Simplify right side
    1,661,222.11x = 2,056,993,790,915.16
  5. Step 5: Solve for x
    x = 2,056,993,790,915.16/1,661,222.11
  6. Step 6: Final answer
    x = 1,238,241.28

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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.