Finding the Fourth Proportional to 3,369,517.92, 4,649,397.17 and 1,919,241.68
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Solution
The fourth proportional to 3,369,517.92, 4,649,397.17 and 1,919,241.68 is: 2,648,247.32
Step by Step Solution
- Step 1: Write the proportion equation
3,369,517.92 : 4,649,397.17 = 1,919,241.68 : x - Step 2: Convert to fraction form
3,369,517.92/4,649,397.17 = 1,919,241.68/x - Step 3: Cross multiply
3,369,517.92x = 4,649,397.17 × 1,919,241.68 - Step 4: Simplify right side
3,369,517.92x = 8,923,316,802,694.85 - Step 5: Solve for x
x = 8,923,316,802,694.85/3,369,517.92 - Step 6: Final answer
x = 2,648,247.32
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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.