Finding the Fourth Proportional to 3,622,372.14, 4,998,771.99 and 1,990,778.88
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Solution
The fourth proportional to 3,622,372.14, 4,998,771.99 and 1,990,778.88 is: 2,747,219.04
Step by Step Solution
- Step 1: Write the proportion equation
3,622,372.14 : 4,998,771.99 = 1,990,778.88 : x - Step 2: Convert to fraction form
3,622,372.14/4,998,771.99 = 1,990,778.88/x - Step 3: Cross multiply
3,622,372.14x = 4,998,771.99 × 1,990,778.88 - Step 4: Simplify right side
3,622,372.14x = 9,951,449,703,627.57 - Step 5: Solve for x
x = 9,951,449,703,627.57/3,622,372.14 - Step 6: Final answer
x = 2,747,219.04
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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.