Home / 1,591,412.23-2,196,198.41-866,308.28

Finding the Fourth Proportional to 1,591,412.23, 2,196,198.41 and 866,308.28

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Solution

The fourth proportional to 1,591,412.23, 2,196,198.41 and 866,308.28 is: 1,195,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,412.23 : 2,196,198.41 = 866,308.28 : x
  2. Step 2: Convert to fraction form
    1,591,412.23/2,196,198.41 = 866,308.28/x
  3. Step 3: Cross multiply
    1,591,412.23x = 2,196,198.41 × 866,308.28
  4. Step 4: Simplify right side
    1,591,412.23x = 1,902,584,867,105.84
  5. Step 5: Solve for x
    x = 1,902,584,867,105.84/1,591,412.23
  6. Step 6: Final answer
    x = 1,195,532.39

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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.