Home / 3,172,091.50-4,377,416.99-1,721,789.74

Finding the Fourth Proportional to 3,172,091.50, 4,377,416.99 and 1,721,789.74

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Solution

The fourth proportional to 3,172,091.50, 4,377,416.99 and 1,721,789.74 is: 2,376,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,091.50 : 4,377,416.99 = 1,721,789.74 : x
  2. Step 2: Convert to fraction form
    3,172,091.50/4,377,416.99 = 1,721,789.74/x
  3. Step 3: Cross multiply
    3,172,091.50x = 4,377,416.99 × 1,721,789.74
  4. Step 4: Simplify right side
    3,172,091.50x = 7,536,991,661,083.68
  5. Step 5: Solve for x
    x = 7,536,991,661,083.68/3,172,091.50
  6. Step 6: Final answer
    x = 2,376,032.24

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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.