Home / 3,321,806.80-4,982,710.20-2,125,080.40

Finding the Fourth Proportional to 3,321,806.80, 4,982,710.20 and 2,125,080.40

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Solution

The fourth proportional to 3,321,806.80, 4,982,710.20 and 2,125,080.40 is: 3,187,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,806.80 : 4,982,710.20 = 2,125,080.40 : x
  2. Step 2: Convert to fraction form
    3,321,806.80/4,982,710.20 = 2,125,080.40/x
  3. Step 3: Cross multiply
    3,321,806.80x = 4,982,710.20 × 2,125,080.40
  4. Step 4: Simplify right side
    3,321,806.80x = 10,588,659,784,900.08
  5. Step 5: Solve for x
    x = 10,588,659,784,900.08/3,321,806.80
  6. Step 6: Final answer
    x = 3,187,620.60

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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.