Home / 5,220,361.81-7,204,010.91-2,928,473.29

Finding the Fourth Proportional to 5,220,361.81, 7,204,010.91 and 2,928,473.29

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Solution

The fourth proportional to 5,220,361.81, 7,204,010.91 and 2,928,473.29 is: 4,041,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,361.81 : 7,204,010.91 = 2,928,473.29 : x
  2. Step 2: Convert to fraction form
    5,220,361.81/7,204,010.91 = 2,928,473.29/x
  3. Step 3: Cross multiply
    5,220,361.81x = 7,204,010.91 × 2,928,473.29
  4. Step 4: Simplify right side
    5,220,361.81x = 21,096,753,548,813.62
  5. Step 5: Solve for x
    x = 21,096,753,548,813.62/5,220,361.81
  6. Step 6: Final answer
    x = 4,041,243.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.