Finding the Fourth Proportional to 3,606,220.46, 4,976,918.08 and 1,996,588.46
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Solution
The fourth proportional to 3,606,220.46, 4,976,918.08 and 1,996,588.46 is: 2,755,476.90
Step by Step Solution
- Step 1: Write the proportion equation
3,606,220.46 : 4,976,918.08 = 1,996,588.46 : x - Step 2: Convert to fraction form
3,606,220.46/4,976,918.08 = 1,996,588.46/x - Step 3: Cross multiply
3,606,220.46x = 4,976,918.08 × 1,996,588.46 - Step 4: Simplify right side
3,606,220.46x = 9,936,857,175,017.30 - Step 5: Solve for x
x = 9,936,857,175,017.30/3,606,220.46 - Step 6: Final answer
x = 2,755,476.90
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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.