Finding the Fourth Proportional to 4,891,911.84, 7,338,769.70 and 1,609,450.97
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Solution
The fourth proportional to 4,891,911.84, 7,338,769.70 and 1,609,450.97 is: 2,414,473.19
Step by Step Solution
- Step 1: Write the proportion equation
4,891,911.84 : 7,338,769.70 = 1,609,450.97 : x - Step 2: Convert to fraction form
4,891,911.84/7,338,769.70 = 1,609,450.97/x - Step 3: Cross multiply
4,891,911.84x = 7,338,769.70 × 1,609,450.97 - Step 4: Simplify right side
4,891,911.84x = 11,811,389,967,530.51 - Step 5: Solve for x
x = 11,811,389,967,530.51/4,891,911.84 - Step 6: Final answer
x = 2,414,473.19
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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.