Home / 2,691,405.80-4,037,886.30-798,192.80

Finding the Fourth Proportional to 2,691,405.80, 4,037,886.30 and 798,192.80

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Solution

The fourth proportional to 2,691,405.80, 4,037,886.30 and 798,192.80 is: 1,197,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,405.80 : 4,037,886.30 = 798,192.80 : x
  2. Step 2: Convert to fraction form
    2,691,405.80/4,037,886.30 = 798,192.80/x
  3. Step 3: Cross multiply
    2,691,405.80x = 4,037,886.30 × 798,192.80
  4. Step 4: Simplify right side
    2,691,405.80x = 3,223,011,771,878.64
  5. Step 5: Solve for x
    x = 3,223,011,771,878.64/2,691,405.80
  6. Step 6: Final answer
    x = 1,197,519.81

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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.