Finding the Fourth Proportional to 5,125,855.85, 7,683,534.98 and 2,994,843.05
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Solution
The fourth proportional to 5,125,855.85, 7,683,534.98 and 2,994,843.05 is: 4,489,197.90
Step by Step Solution
- Step 1: Write the proportion equation
5,125,855.85 : 7,683,534.98 = 2,994,843.05 : x - Step 2: Convert to fraction form
5,125,855.85/7,683,534.98 = 2,994,843.05/x - Step 3: Cross multiply
5,125,855.85x = 7,683,534.98 × 2,994,843.05 - Step 4: Simplify right side
5,125,855.85x = 23,010,981,319,310.67 - Step 5: Solve for x
x = 23,010,981,319,310.67/5,125,855.85 - Step 6: Final answer
x = 4,489,197.90
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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.