Finding the Fourth Proportional to 6,431,849.08, 8,876,201.34 and 3,531,362.20
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Solution
The fourth proportional to 6,431,849.08, 8,876,201.34 and 3,531,362.20 is: 4,873,416.88
Step by Step Solution
- Step 1: Write the proportion equation
6,431,849.08 : 8,876,201.34 = 3,531,362.20 : x - Step 2: Convert to fraction form
6,431,849.08/8,876,201.34 = 3,531,362.20/x - Step 3: Cross multiply
6,431,849.08x = 8,876,201.34 × 3,531,362.20 - Step 4: Simplify right side
6,431,849.08x = 31,345,081,891,665.35 - Step 5: Solve for x
x = 31,345,081,891,665.35/6,431,849.08 - Step 6: Final answer
x = 4,873,416.88
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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.