Finding the Fourth Proportional to 2,154,115.68, 3,231,173.55 and 658,194.72
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Solution
The fourth proportional to 2,154,115.68, 3,231,173.55 and 658,194.72 is: 987,292.09
Step by Step Solution
- Step 1: Write the proportion equation
2,154,115.68 : 3,231,173.55 = 658,194.72 : x - Step 2: Convert to fraction form
2,154,115.68/3,231,173.55 = 658,194.72/x - Step 3: Cross multiply
2,154,115.68x = 3,231,173.55 × 658,194.72 - Step 4: Simplify right side
2,154,115.68x = 2,126,741,361,935.72 - Step 5: Solve for x
x = 2,126,741,361,935.72/2,154,115.68 - Step 6: Final answer
x = 987,292.09
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1.5x scale
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.