Finding the Fourth Proportional to 3,925,902.62, 5,888,855.30 and 1,230,436.97
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Solution
The fourth proportional to 3,925,902.62, 5,888,855.30 and 1,230,436.97 is: 1,845,655.88
Step by Step Solution
- Step 1: Write the proportion equation
3,925,902.62 : 5,888,855.30 = 1,230,436.97 : x - Step 2: Convert to fraction form
3,925,902.62/5,888,855.30 = 1,230,436.97/x - Step 3: Cross multiply
3,925,902.62x = 5,888,855.30 × 1,230,436.97 - Step 4: Simplify right side
3,925,902.62x = 7,245,865,272,100.44 - Step 5: Solve for x
x = 7,245,865,272,100.44/3,925,902.62 - Step 6: Final answer
x = 1,845,655.88
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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.