Home / 2,576,516.80-3,863,608.80-978,548.80

Finding the Fourth Proportional to 2,576,516.80, 3,863,608.80 and 978,548.80

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Solution

The fourth proportional to 2,576,516.80, 3,863,608.80 and 978,548.80 is: 1,467,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,516.80 : 3,863,608.80 = 978,548.80 : x
  2. Step 2: Convert to fraction form
    2,576,516.80/3,863,608.80 = 978,548.80/x
  3. Step 3: Cross multiply
    2,576,516.80x = 3,863,608.80 × 978,548.80
  4. Step 4: Simplify right side
    2,576,516.80x = 3,780,729,754,909.44
  5. Step 5: Solve for x
    x = 3,780,729,754,909.44/2,576,516.80
  6. Step 6: Final answer
    x = 1,467,380.21

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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.