Finding the Fourth Proportional to 3,668,786.89, 5,063,392.99 and 2,218,492.70
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Solution
The fourth proportional to 3,668,786.89, 5,063,392.99 and 2,218,492.70 is: 3,061,802.37
Step by Step Solution
- Step 1: Write the proportion equation
3,668,786.89 : 5,063,392.99 = 2,218,492.70 : x - Step 2: Convert to fraction form
3,668,786.89/5,063,392.99 = 2,218,492.70/x - Step 3: Cross multiply
3,668,786.89x = 5,063,392.99 × 2,218,492.70 - Step 4: Simplify right side
3,668,786.89x = 11,233,100,385,546.17 - Step 5: Solve for x
x = 11,233,100,385,546.17/3,668,786.89 - Step 6: Final answer
x = 3,061,802.37
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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.