Home / 2,846,195.20-3,928,918.04-1,929,679.68

Finding the Fourth Proportional to 2,846,195.20, 3,928,918.04 and 1,929,679.68

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Solution

The fourth proportional to 2,846,195.20, 3,928,918.04 and 1,929,679.68 is: 2,663,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846,195.20 : 3,928,918.04 = 1,929,679.68 : x
  2. Step 2: Convert to fraction form
    2,846,195.20/3,928,918.04 = 1,929,679.68/x
  3. Step 3: Cross multiply
    2,846,195.20x = 3,928,918.04 × 1,929,679.68
  4. Step 4: Simplify right side
    2,846,195.20x = 7,581,553,306,173.43
  5. Step 5: Solve for x
    x = 7,581,553,306,173.43/2,846,195.20
  6. Step 6: Final answer
    x = 2,663,750.30

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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.