Home / 3,172,359.09-4,377,861.10-1,722,055.51

Finding the Fourth Proportional to 3,172,359.09, 4,377,861.10 and 1,722,055.51

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Solution

The fourth proportional to 3,172,359.09, 4,377,861.10 and 1,722,055.51 is: 2,376,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,359.09 : 4,377,861.10 = 1,722,055.51 : x
  2. Step 2: Convert to fraction form
    3,172,359.09/4,377,861.10 = 1,722,055.51/x
  3. Step 3: Cross multiply
    3,172,359.09x = 4,377,861.10 × 1,722,055.51
  4. Step 4: Simplify right side
    3,172,359.09x = 7,538,919,829,269.66
  5. Step 5: Solve for x
    x = 7,538,919,829,269.66/3,172,359.09
  6. Step 6: Final answer
    x = 2,376,439.62

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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.