Home / 2,739,979.31-3,781,178.79-1,516,369.21

Finding the Fourth Proportional to 2,739,979.31, 3,781,178.79 and 1,516,369.21

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Solution

The fourth proportional to 2,739,979.31, 3,781,178.79 and 1,516,369.21 is: 2,092,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,979.31 : 3,781,178.79 = 1,516,369.21 : x
  2. Step 2: Convert to fraction form
    2,739,979.31/3,781,178.79 = 1,516,369.21/x
  3. Step 3: Cross multiply
    2,739,979.31x = 3,781,178.79 × 1,516,369.21
  4. Step 4: Simplify right side
    2,739,979.31x = 5,733,663,092,316.09
  5. Step 5: Solve for x
    x = 5,733,663,092,316.09/2,739,979.31
  6. Step 6: Final answer
    x = 2,092,593.58

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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.