Home / 5,335,729.28-7,998,689.72-1,923,180.80

Finding the Fourth Proportional to 5,335,729.28, 7,998,689.72 and 1,923,180.80

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Solution

The fourth proportional to 5,335,729.28, 7,998,689.72 and 1,923,180.80 is: 2,883,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335,729.28 : 7,998,689.72 = 1,923,180.80 : x
  2. Step 2: Convert to fraction form
    5,335,729.28/7,998,689.72 = 1,923,180.80/x
  3. Step 3: Cross multiply
    5,335,729.28x = 7,998,689.72 × 1,923,180.80
  4. Step 4: Simplify right side
    5,335,729.28x = 15,382,926,494,661.38
  5. Step 5: Solve for x
    x = 15,382,926,494,661.38/5,335,729.28
  6. Step 6: Final answer
    x = 2,883,003.56

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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.