Finding the Fourth Proportional to 7,192,121.70, 10,788,276 and 2,399,810.96
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Solution
The fourth proportional to 7,192,121.70, 10,788,276 and 2,399,810.96 is: 3,599,747.62
Step by Step Solution
- Step 1: Write the proportion equation
7,192,121.70 : 10,788,276 = 2,399,810.96 : x - Step 2: Convert to fraction form
7,192,121.70/10,788,276 = 2,399,810.96/x - Step 3: Cross multiply
7,192,121.70x = 10,788,276 × 2,399,810.96 - Step 4: Simplify right side
7,192,121.70x = 25,889,822,984,304.96 - Step 5: Solve for x
x = 25,889,822,984,304.96/7,192,121.70 - Step 6: Final answer
x = 3,599,747.62
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1.5x scale
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.