Finding the Fourth Proportional to 3,673,778.76, 5,067,743.76 and 2,203,296.12
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Solution
The fourth proportional to 3,673,778.76, 5,067,743.76 and 2,203,296.12 is: 3,039,306.64
Step by Step Solution
- Step 1: Write the proportion equation
3,673,778.76 : 5,067,743.76 = 2,203,296.12 : x - Step 2: Convert to fraction form
3,673,778.76/5,067,743.76 = 2,203,296.12/x - Step 3: Cross multiply
3,673,778.76x = 5,067,743.76 × 2,203,296.12 - Step 4: Simplify right side
3,673,778.76x = 11,165,740,163,562.21 - Step 5: Solve for x
x = 11,165,740,163,562.21/3,673,778.76 - Step 6: Final answer
x = 3,039,306.64
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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.