Finding the Fourth Proportional to 3,785,757.68, 5,678,685.72 and 1,090,127.09
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Solution
The fourth proportional to 3,785,757.68, 5,678,685.72 and 1,090,127.09 is: 1,635,204.80
Step by Step Solution
- Step 1: Write the proportion equation
3,785,757.68 : 5,678,685.72 = 1,090,127.09 : x - Step 2: Convert to fraction form
3,785,757.68/5,678,685.72 = 1,090,127.09/x - Step 3: Cross multiply
3,785,757.68x = 5,678,685.72 × 1,090,127.09 - Step 4: Simplify right side
3,785,757.68x = 6,190,489,110,574.73 - Step 5: Solve for x
x = 6,190,489,110,574.73/3,785,757.68 - Step 6: Final answer
x = 1,635,204.80
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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.