Home / 3,898,368.80-5,380,243.20-2,179,591.04

Finding the Fourth Proportional to 3,898,368.80, 5,380,243.20 and 2,179,591.04

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Solution

The fourth proportional to 3,898,368.80, 5,380,243.20 and 2,179,591.04 is: 3,008,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,368.80 : 5,380,243.20 = 2,179,591.04 : x
  2. Step 2: Convert to fraction form
    3,898,368.80/5,380,243.20 = 2,179,591.04/x
  3. Step 3: Cross multiply
    3,898,368.80x = 5,380,243.20 × 2,179,591.04
  4. Step 4: Simplify right side
    3,898,368.80x = 11,726,729,871,740.93
  5. Step 5: Solve for x
    x = 11,726,729,871,740.93/3,898,368.80
  6. Step 6: Final answer
    x = 3,008,111.98

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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.