Home / 2,230,721.58-3,078,414.23-1,212,126.33

Finding the Fourth Proportional to 2,230,721.58, 3,078,414.23 and 1,212,126.33

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Solution

The fourth proportional to 2,230,721.58, 3,078,414.23 and 1,212,126.33 is: 1,672,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,721.58 : 3,078,414.23 = 1,212,126.33 : x
  2. Step 2: Convert to fraction form
    2,230,721.58/3,078,414.23 = 1,212,126.33/x
  3. Step 3: Cross multiply
    2,230,721.58x = 3,078,414.23 × 1,212,126.33
  4. Step 4: Simplify right side
    2,230,721.58x = 3,731,426,937,815.23
  5. Step 5: Solve for x
    x = 3,731,426,937,815.23/2,230,721.58
  6. Step 6: Final answer
    x = 1,672,744.36

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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.