Home / 2,230,721.77-3,078,414.49-1,212,126.52

Finding the Fourth Proportional to 2,230,721.77, 3,078,414.49 and 1,212,126.52

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Solution

The fourth proportional to 2,230,721.77, 3,078,414.49 and 1,212,126.52 is: 1,672,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,721.77 : 3,078,414.49 = 1,212,126.52 : x
  2. Step 2: Convert to fraction form
    2,230,721.77/3,078,414.49 = 1,212,126.52/x
  3. Step 3: Cross multiply
    2,230,721.77x = 3,078,414.49 × 1,212,126.52
  4. Step 4: Simplify right side
    2,230,721.77x = 3,731,427,827,489.20
  5. Step 5: Solve for x
    x = 3,731,427,827,489.20/2,230,721.77
  6. Step 6: Final answer
    x = 1,672,744.62

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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.