Home / 2,621,772-3,932,871.36-728,513.52

Finding the Fourth Proportional to 2,621,772, 3,932,871.36 and 728,513.52

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Solution

The fourth proportional to 2,621,772, 3,932,871.36 and 728,513.52 is: 1,092,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,772 : 3,932,871.36 = 728,513.52 : x
  2. Step 2: Convert to fraction form
    2,621,772/3,932,871.36 = 728,513.52/x
  3. Step 3: Cross multiply
    2,621,772x = 3,932,871.36 × 728,513.52
  4. Step 4: Simplify right side
    2,621,772x = 2,865,149,958,180.79
  5. Step 5: Solve for x
    x = 2,865,149,958,180.79/2,621,772
  6. Step 6: Final answer
    x = 1,092,829.57

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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.