Home / 2,261,737.86-3,121,157.97-1,243,142.34

Finding the Fourth Proportional to 2,261,737.86, 3,121,157.97 and 1,243,142.34

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Solution

The fourth proportional to 2,261,737.86, 3,121,157.97 and 1,243,142.34 is: 1,715,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,737.86 : 3,121,157.97 = 1,243,142.34 : x
  2. Step 2: Convert to fraction form
    2,261,737.86/3,121,157.97 = 1,243,142.34/x
  3. Step 3: Cross multiply
    2,261,737.86x = 3,121,157.97 × 1,243,142.34
  4. Step 4: Simplify right side
    2,261,737.86x = 3,880,043,622,335.45
  5. Step 5: Solve for x
    x = 3,880,043,622,335.45/2,261,737.86
  6. Step 6: Final answer
    x = 1,715,514.29

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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.