Home / 2,103,505.82-3,156,678.44-823,954.57

Finding the Fourth Proportional to 2,103,505.82, 3,156,678.44 and 823,954.57

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Solution

The fourth proportional to 2,103,505.82, 3,156,678.44 and 823,954.57 is: 1,236,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,505.82 : 3,156,678.44 = 823,954.57 : x
  2. Step 2: Convert to fraction form
    2,103,505.82/3,156,678.44 = 823,954.57/x
  3. Step 3: Cross multiply
    2,103,505.82x = 3,156,678.44 × 823,954.57
  4. Step 4: Simplify right side
    2,103,505.82x = 2,600,959,614,647.00
  5. Step 5: Solve for x
    x = 2,600,959,614,647.00/2,103,505.82
  6. Step 6: Final answer
    x = 1,236,487.96

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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.