Home / 3,469,972.89-4,788,712.26-1,921,234.58

Finding the Fourth Proportional to 3,469,972.89, 4,788,712.26 and 1,921,234.58

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Solution

The fourth proportional to 3,469,972.89, 4,788,712.26 and 1,921,234.58 is: 2,651,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,972.89 : 4,788,712.26 = 1,921,234.58 : x
  2. Step 2: Convert to fraction form
    3,469,972.89/4,788,712.26 = 1,921,234.58/x
  3. Step 3: Cross multiply
    3,469,972.89x = 4,788,712.26 × 1,921,234.58
  4. Step 4: Simplify right side
    3,469,972.89x = 9,200,239,563,638.39
  5. Step 5: Solve for x
    x = 9,200,239,563,638.39/3,469,972.89
  6. Step 6: Final answer
    x = 2,651,386.58

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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.