Finding the Fourth Proportional to 5,511,457.62, 7,606,296.05 and 3,031,115.31
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Solution
The fourth proportional to 5,511,457.62, 7,606,296.05 and 3,031,115.31 is: 4,183,205.60
Step by Step Solution
- Step 1: Write the proportion equation
5,511,457.62 : 7,606,296.05 = 3,031,115.31 : x - Step 2: Convert to fraction form
5,511,457.62/7,606,296.05 = 3,031,115.31/x - Step 3: Cross multiply
5,511,457.62x = 7,606,296.05 × 3,031,115.31 - Step 4: Simplify right side
5,511,457.62x = 23,055,560,394,391.95 - Step 5: Solve for x
x = 23,055,560,394,391.95/5,511,457.62 - Step 6: Final answer
x = 4,183,205.60
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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.