Home / 3,178,072.26-4,385,789.64-1,727,773.25

Finding the Fourth Proportional to 3,178,072.26, 4,385,789.64 and 1,727,773.25

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Solution

The fourth proportional to 3,178,072.26, 4,385,789.64 and 1,727,773.25 is: 2,384,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,072.26 : 4,385,789.64 = 1,727,773.25 : x
  2. Step 2: Convert to fraction form
    3,178,072.26/4,385,789.64 = 1,727,773.25/x
  3. Step 3: Cross multiply
    3,178,072.26x = 4,385,789.64 × 1,727,773.25
  4. Step 4: Simplify right side
    3,178,072.26x = 7,577,649,998,190.18
  5. Step 5: Solve for x
    x = 7,577,649,998,190.18/3,178,072.26
  6. Step 6: Final answer
    x = 2,384,354.22

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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.