Finding the Fourth Proportional to 6,431,851.08, 8,876,204.10 and 3,531,364.20
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Solution
The fourth proportional to 6,431,851.08, 8,876,204.10 and 3,531,364.20 is: 4,873,419.64
Step by Step Solution
- Step 1: Write the proportion equation
6,431,851.08 : 8,876,204.10 = 3,531,364.20 : x - Step 2: Convert to fraction form
6,431,851.08/8,876,204.10 = 3,531,364.20/x - Step 3: Cross multiply
6,431,851.08x = 8,876,204.10 × 3,531,364.20 - Step 4: Simplify right side
6,431,851.08x = 31,345,109,390,633.22 - Step 5: Solve for x
x = 31,345,109,390,633.22/6,431,851.08 - Step 6: Final answer
x = 4,873,419.64
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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.