Home / 2,612,992.23-3,919,486.50-816,029.70

Finding the Fourth Proportional to 2,612,992.23, 3,919,486.50 and 816,029.70

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Solution

The fourth proportional to 2,612,992.23, 3,919,486.50 and 816,029.70 is: 1,224,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,992.23 : 3,919,486.50 = 816,029.70 : x
  2. Step 2: Convert to fraction form
    2,612,992.23/3,919,486.50 = 816,029.70/x
  3. Step 3: Cross multiply
    2,612,992.23x = 3,919,486.50 × 816,029.70
  4. Step 4: Simplify right side
    2,612,992.23x = 3,198,417,392,749.05
  5. Step 5: Solve for x
    x = 3,198,417,392,749.05/2,612,992.23
  6. Step 6: Final answer
    x = 1,224,043.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.