Home / 3,239,872.26-4,471,597.89-1,863,109.86

Finding the Fourth Proportional to 3,239,872.26, 4,471,597.89 and 1,863,109.86

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Solution

The fourth proportional to 3,239,872.26, 4,471,597.89 and 1,863,109.86 is: 2,571,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,872.26 : 4,471,597.89 = 1,863,109.86 : x
  2. Step 2: Convert to fraction form
    3,239,872.26/4,471,597.89 = 1,863,109.86/x
  3. Step 3: Cross multiply
    3,239,872.26x = 4,471,597.89 × 1,863,109.86
  4. Step 4: Simplify right side
    3,239,872.26x = 8,331,078,118,814.20
  5. Step 5: Solve for x
    x = 8,331,078,118,814.20/3,239,872.26
  6. Step 6: Final answer
    x = 2,571,421.79

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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.