Home / 1,945,936.39-2,918,914.97-1,276,258.45

Finding the Fourth Proportional to 1,945,936.39, 2,918,914.97 and 1,276,258.45

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Solution

The fourth proportional to 1,945,936.39, 2,918,914.97 and 1,276,258.45 is: 1,914,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,936.39 : 2,918,914.97 = 1,276,258.45 : x
  2. Step 2: Convert to fraction form
    1,945,936.39/2,918,914.97 = 1,276,258.45/x
  3. Step 3: Cross multiply
    1,945,936.39x = 2,918,914.97 × 1,276,258.45
  4. Step 4: Simplify right side
    1,945,936.39x = 3,725,289,898,625.49
  5. Step 5: Solve for x
    x = 3,725,289,898,625.49/1,945,936.39
  6. Step 6: Final answer
    x = 1,914,394.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.