Home / 3,790,912.20-5,686,667.46-1,266,576.36

Finding the Fourth Proportional to 3,790,912.20, 5,686,667.46 and 1,266,576.36

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Solution

The fourth proportional to 3,790,912.20, 5,686,667.46 and 1,266,576.36 is: 1,899,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,912.20 : 5,686,667.46 = 1,266,576.36 : x
  2. Step 2: Convert to fraction form
    3,790,912.20/5,686,667.46 = 1,266,576.36/x
  3. Step 3: Cross multiply
    3,790,912.20x = 5,686,667.46 × 1,266,576.36
  4. Step 4: Simplify right side
    3,790,912.20x = 7,202,598,572,017.25
  5. Step 5: Solve for x
    x = 7,202,598,572,017.25/3,790,912.20
  6. Step 6: Final answer
    x = 1,899,964.49

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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.