Home / 1,591,411.97-2,196,146.23-866,257.44

Finding the Fourth Proportional to 1,591,411.97, 2,196,146.23 and 866,257.44

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Solution

The fourth proportional to 1,591,411.97, 2,196,146.23 and 866,257.44 is: 1,195,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,411.97 : 2,196,146.23 = 866,257.44 : x
  2. Step 2: Convert to fraction form
    1,591,411.97/2,196,146.23 = 866,257.44/x
  3. Step 3: Cross multiply
    1,591,411.97x = 2,196,146.23 × 866,257.44
  4. Step 4: Simplify right side
    1,591,411.97x = 1,902,428,011,065.45
  5. Step 5: Solve for x
    x = 1,902,428,011,065.45/1,591,411.97
  6. Step 6: Final answer
    x = 1,195,434.02

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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.