Home / 3,171,476.70-4,753,003.05-1,728,455.22

Finding the Fourth Proportional to 3,171,476.70, 4,753,003.05 and 1,728,455.22

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Solution

The fourth proportional to 3,171,476.70, 4,753,003.05 and 1,728,455.22 is: 2,590,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,476.70 : 4,753,003.05 = 1,728,455.22 : x
  2. Step 2: Convert to fraction form
    3,171,476.70/4,753,003.05 = 1,728,455.22/x
  3. Step 3: Cross multiply
    3,171,476.70x = 4,753,003.05 × 1,728,455.22
  4. Step 4: Simplify right side
    3,171,476.70x = 8,215,352,932,448.42
  5. Step 5: Solve for x
    x = 8,215,352,932,448.42/3,171,476.70
  6. Step 6: Final answer
    x = 2,590,387.29

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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.