Home / 1,515,891.33-2,091,917.21-836,813.25

Finding the Fourth Proportional to 1,515,891.33, 2,091,917.21 and 836,813.25

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Solution

The fourth proportional to 1,515,891.33, 2,091,917.21 and 836,813.25 is: 1,154,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,891.33 : 2,091,917.21 = 836,813.25 : x
  2. Step 2: Convert to fraction form
    1,515,891.33/2,091,917.21 = 836,813.25/x
  3. Step 3: Cross multiply
    1,515,891.33x = 2,091,917.21 × 836,813.25
  4. Step 4: Simplify right side
    1,515,891.33x = 1,750,544,035,046.97
  5. Step 5: Solve for x
    x = 1,750,544,035,046.97/1,515,891.33
  6. Step 6: Final answer
    x = 1,154,795.20

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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.