Finding the Fourth Proportional to 5,743,087.20, 8,609,416.70 and 2,865,334.19
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Solution
The fourth proportional to 5,743,087.20, 8,609,416.70 and 2,865,334.19 is: 4,295,399.87
Step by Step Solution
- Step 1: Write the proportion equation
5,743,087.20 : 8,609,416.70 = 2,865,334.19 : x - Step 2: Convert to fraction form
5,743,087.20/8,609,416.70 = 2,865,334.19/x - Step 3: Cross multiply
5,743,087.20x = 8,609,416.70 × 2,865,334.19 - Step 4: Simplify right side
5,743,087.20x = 24,668,855,994,164.89 - Step 5: Solve for x
x = 24,668,855,994,164.89/5,743,087.20 - Step 6: Final answer
x = 4,295,399.87
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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.