Home / 2,230,966.97-3,078,734.36-1,212,371.72

Finding the Fourth Proportional to 2,230,966.97, 3,078,734.36 and 1,212,371.72

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Solution

The fourth proportional to 2,230,966.97, 3,078,734.36 and 1,212,371.72 is: 1,673,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,966.97 : 3,078,734.36 = 1,212,371.72 : x
  2. Step 2: Convert to fraction form
    2,230,966.97/3,078,734.36 = 1,212,371.72/x
  3. Step 3: Cross multiply
    2,230,966.97x = 3,078,734.36 × 1,212,371.72
  4. Step 4: Simplify right side
    2,230,966.97x = 3,732,570,450,000.77
  5. Step 5: Solve for x
    x = 3,732,570,450,000.77/2,230,966.97
  6. Step 6: Final answer
    x = 1,673,072.94

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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.