Finding the Fourth Proportional to 3,105,988.53, 4,276,757.99 and 3,097,020.48
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Solution
The fourth proportional to 3,105,988.53, 4,276,757.99 and 3,097,020.48 is: 4,264,409.52
Step by Step Solution
- Step 1: Write the proportion equation
3,105,988.53 : 4,276,757.99 = 3,097,020.48 : x - Step 2: Convert to fraction form
3,105,988.53/4,276,757.99 = 3,097,020.48/x - Step 3: Cross multiply
3,105,988.53x = 4,276,757.99 × 3,097,020.48 - Step 4: Simplify right side
3,105,988.53x = 13,245,207,067,548.53 - Step 5: Solve for x
x = 13,245,207,067,548.53/3,105,988.53 - Step 6: Final answer
x = 4,264,409.52
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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.