Home / 1,960,105.40-2,936,221.38-893,680.46

Finding the Fourth Proportional to 1,960,105.40, 2,936,221.38 and 893,680.46

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Solution

The fourth proportional to 1,960,105.40, 2,936,221.38 and 893,680.46 is: 1,338,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,105.40 : 2,936,221.38 = 893,680.46 : x
  2. Step 2: Convert to fraction form
    1,960,105.40/2,936,221.38 = 893,680.46/x
  3. Step 3: Cross multiply
    1,960,105.40x = 2,936,221.38 × 893,680.46
  4. Step 4: Simplify right side
    1,960,105.40x = 2,624,043,673,540.23
  5. Step 5: Solve for x
    x = 2,624,043,673,540.23/1,960,105.40
  6. Step 6: Final answer
    x = 1,338,725.80

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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.