Finding the Fourth Proportional to 3,481,825.18, 4,805,388.04 and 1,954,016.14
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Solution
The fourth proportional to 3,481,825.18, 4,805,388.04 and 1,954,016.14 is: 2,696,805.64
Step by Step Solution
- Step 1: Write the proportion equation
3,481,825.18 : 4,805,388.04 = 1,954,016.14 : x - Step 2: Convert to fraction form
3,481,825.18/4,805,388.04 = 1,954,016.14/x - Step 3: Cross multiply
3,481,825.18x = 4,805,388.04 × 1,954,016.14 - Step 4: Simplify right side
3,481,825.18x = 9,389,805,789,122.97 - Step 5: Solve for x
x = 9,389,805,789,122.97/3,481,825.18 - Step 6: Final answer
x = 2,696,805.64
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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.