Finding the Fourth Proportional to 2,608,514.08, 3,913,433.39 and 811,411.09
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Solution
The fourth proportional to 2,608,514.08, 3,913,433.39 and 811,411.09 is: 1,217,322.64
Step by Step Solution
- Step 1: Write the proportion equation
2,608,514.08 : 3,913,433.39 = 811,411.09 : x - Step 2: Convert to fraction form
2,608,514.08/3,913,433.39 = 811,411.09/x - Step 3: Cross multiply
2,608,514.08x = 3,913,433.39 × 811,411.09 - Step 4: Simplify right side
2,608,514.08x = 3,175,403,244,867.24 - Step 5: Solve for x
x = 3,175,403,244,867.24/2,608,514.08 - Step 6: Final answer
x = 1,217,322.64
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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.