Home / 3,391,163.91-4,679,805.12-1,863,369.45

Finding the Fourth Proportional to 3,391,163.91, 4,679,805.12 and 1,863,369.45

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Solution

The fourth proportional to 3,391,163.91, 4,679,805.12 and 1,863,369.45 is: 2,571,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,163.91 : 4,679,805.12 = 1,863,369.45 : x
  2. Step 2: Convert to fraction form
    3,391,163.91/4,679,805.12 = 1,863,369.45/x
  3. Step 3: Cross multiply
    3,391,163.91x = 4,679,805.12 × 1,863,369.45
  4. Step 4: Simplify right side
    3,391,163.91x = 8,720,205,892,561.58
  5. Step 5: Solve for x
    x = 8,720,205,892,561.58/3,391,163.91
  6. Step 6: Final answer
    x = 2,571,449.25

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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.