Home / 3,540,218.40-5,309,713.20-1,295,200.80

Finding the Fourth Proportional to 3,540,218.40, 5,309,713.20 and 1,295,200.80

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Solution

The fourth proportional to 3,540,218.40, 5,309,713.20 and 1,295,200.80 is: 1,942,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,218.40 : 5,309,713.20 = 1,295,200.80 : x
  2. Step 2: Convert to fraction form
    3,540,218.40/5,309,713.20 = 1,295,200.80/x
  3. Step 3: Cross multiply
    3,540,218.40x = 5,309,713.20 × 1,295,200.80
  4. Step 4: Simplify right side
    3,540,218.40x = 6,877,144,784,410.56
  5. Step 5: Solve for x
    x = 6,877,144,784,410.56/3,540,218.40
  6. Step 6: Final answer
    x = 1,942,576.42

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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.