Home / 3,171,999.61-4,377,242.14-1,721,664.19

Finding the Fourth Proportional to 3,171,999.61, 4,377,242.14 and 1,721,664.19

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Solution

The fourth proportional to 3,171,999.61, 4,377,242.14 and 1,721,664.19 is: 2,375,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,999.61 : 4,377,242.14 = 1,721,664.19 : x
  2. Step 2: Convert to fraction form
    3,171,999.61/4,377,242.14 = 1,721,664.19/x
  3. Step 3: Cross multiply
    3,171,999.61x = 4,377,242.14 × 1,721,664.19
  4. Step 4: Simplify right side
    3,171,999.61x = 7,536,141,043,396.97
  5. Step 5: Solve for x
    x = 7,536,141,043,396.97/3,171,999.61
  6. Step 6: Final answer
    x = 2,375,832.90

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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.