Finding the Fourth Proportional to 3,585,208.20, 5,377,812.30 and 3,286,609.80
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Solution
The fourth proportional to 3,585,208.20, 5,377,812.30 and 3,286,609.80 is: 4,929,914.70
Step by Step Solution
- Step 1: Write the proportion equation
3,585,208.20 : 5,377,812.30 = 3,286,609.80 : x - Step 2: Convert to fraction form
3,585,208.20/5,377,812.30 = 3,286,609.80/x - Step 3: Cross multiply
3,585,208.20x = 5,377,812.30 × 3,286,609.80 - Step 4: Simplify right side
3,585,208.20x = 17,674,770,607,740.54 - Step 5: Solve for x
x = 17,674,770,607,740.54/3,585,208.20 - Step 6: Final answer
x = 4,929,914.70
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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.