Home / 3,171,910.21-4,377,181.17-1,721,574.51

Finding the Fourth Proportional to 3,171,910.21, 4,377,181.17 and 1,721,574.51

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Solution

The fourth proportional to 3,171,910.21, 4,377,181.17 and 1,721,574.51 is: 2,375,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,910.21 : 4,377,181.17 = 1,721,574.51 : x
  2. Step 2: Convert to fraction form
    3,171,910.21/4,377,181.17 = 1,721,574.51/x
  3. Step 3: Cross multiply
    3,171,910.21x = 4,377,181.17 × 1,721,574.51
  4. Step 4: Simplify right side
    3,171,910.21x = 7,535,643,517,965.45
  5. Step 5: Solve for x
    x = 7,535,643,517,965.45/3,171,910.21
  6. Step 6: Final answer
    x = 2,375,743.01

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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.