Home / 2,912,864-4,370,033.28-811,616

Finding the Fourth Proportional to 2,912,864, 4,370,033.28 and 811,616

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Solution

The fourth proportional to 2,912,864, 4,370,033.28 and 811,616 is: 1,217,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,864 : 4,370,033.28 = 811,616 : x
  2. Step 2: Convert to fraction form
    2,912,864/4,370,033.28 = 811,616/x
  3. Step 3: Cross multiply
    2,912,864x = 4,370,033.28 × 811,616
  4. Step 4: Simplify right side
    2,912,864x = 3,546,788,930,580.48
  5. Step 5: Solve for x
    x = 3,546,788,930,580.48/2,912,864
  6. Step 6: Final answer
    x = 1,217,629.43

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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.