Finding the Fourth Proportional to 3,623,988.48, 5,001,107.31 and 1,992,423.62
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Solution
The fourth proportional to 3,623,988.48, 5,001,107.31 and 1,992,423.62 is: 2,749,546.35
Step by Step Solution
- Step 1: Write the proportion equation
3,623,988.48 : 5,001,107.31 = 1,992,423.62 : x - Step 2: Convert to fraction form
3,623,988.48/5,001,107.31 = 1,992,423.62/x - Step 3: Cross multiply
3,623,988.48x = 5,001,107.31 × 1,992,423.62 - Step 4: Simplify right side
3,623,988.48x = 9,964,324,305,593.13 - Step 5: Solve for x
x = 9,964,324,305,593.13/3,623,988.48 - Step 6: Final answer
x = 2,749,546.35
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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.