Home / 5,335,727.28-7,998,686.72-1,923,178.80

Finding the Fourth Proportional to 5,335,727.28, 7,998,686.72 and 1,923,178.80

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Solution

The fourth proportional to 5,335,727.28, 7,998,686.72 and 1,923,178.80 is: 2,883,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335,727.28 : 7,998,686.72 = 1,923,178.80 : x
  2. Step 2: Convert to fraction form
    5,335,727.28/7,998,686.72 = 1,923,178.80/x
  3. Step 3: Cross multiply
    5,335,727.28x = 7,998,686.72 × 1,923,178.80
  4. Step 4: Simplify right side
    5,335,727.28x = 15,382,904,727,745.54
  5. Step 5: Solve for x
    x = 15,382,904,727,745.54/5,335,727.28
  6. Step 6: Final answer
    x = 2,883,000.56

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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.