Home / 2,230,696.76-3,078,381-1,212,101.48

Finding the Fourth Proportional to 2,230,696.76, 3,078,381 and 1,212,101.48

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Solution

The fourth proportional to 2,230,696.76, 3,078,381 and 1,212,101.48 is: 1,672,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,696.76 : 3,078,381 = 1,212,101.48 : x
  2. Step 2: Convert to fraction form
    2,230,696.76/3,078,381 = 1,212,101.48/x
  3. Step 3: Cross multiply
    2,230,696.76x = 3,078,381 × 1,212,101.48
  4. Step 4: Simplify right side
    2,230,696.76x = 3,731,310,166,103.88
  5. Step 5: Solve for x
    x = 3,731,310,166,103.88/2,230,696.76
  6. Step 6: Final answer
    x = 1,672,710.62

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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.