Home / 3,172,773.25-4,378,477.96-1,722,467.53

Finding the Fourth Proportional to 3,172,773.25, 4,378,477.96 and 1,722,467.53

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Solution

The fourth proportional to 3,172,773.25, 4,378,477.96 and 1,722,467.53 is: 2,377,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,773.25 : 4,378,477.96 = 1,722,467.53 : x
  2. Step 2: Convert to fraction form
    3,172,773.25/4,378,477.96 = 1,722,467.53/x
  3. Step 3: Cross multiply
    3,172,773.25x = 4,378,477.96 × 1,722,467.53
  4. Step 4: Simplify right side
    3,172,773.25x = 7,541,786,116,920.64
  5. Step 5: Solve for x
    x = 7,541,786,116,920.64/3,172,773.25
  6. Step 6: Final answer
    x = 2,377,032.81

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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.