Finding the Fourth Proportional to 3,876,477.14, 5,816,010.49 and 1,717,208.90
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Solution
The fourth proportional to 3,876,477.14, 5,816,010.49 and 1,717,208.90 is: 2,576,386.92
Step by Step Solution
- Step 1: Write the proportion equation
3,876,477.14 : 5,816,010.49 = 1,717,208.90 : x - Step 2: Convert to fraction form
3,876,477.14/5,816,010.49 = 1,717,208.90/x - Step 3: Cross multiply
3,876,477.14x = 5,816,010.49 × 1,717,208.90 - Step 4: Simplify right side
3,876,477.14x = 9,987,304,975,921.36 - Step 5: Solve for x
x = 9,987,304,975,921.36/3,876,477.14 - Step 6: Final answer
x = 2,576,386.92
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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.