Finding the Fourth Proportional to 3,876,957.09, 5,350,112.10 and 2,427,451.74
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Solution
The fourth proportional to 3,876,957.09, 5,350,112.10 and 2,427,451.74 is: 3,349,827.87
Step by Step Solution
- Step 1: Write the proportion equation
3,876,957.09 : 5,350,112.10 = 2,427,451.74 : x - Step 2: Convert to fraction form
3,876,957.09/5,350,112.10 = 2,427,451.74/x - Step 3: Cross multiply
3,876,957.09x = 5,350,112.10 × 2,427,451.74 - Step 4: Simplify right side
3,876,957.09x = 12,987,138,926,340.05 - Step 5: Solve for x
x = 12,987,138,926,340.05/3,876,957.09 - Step 6: Final answer
x = 3,349,827.87
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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.