Finding the Fourth Proportional to 3,305,805.12, 4,561,660.47 and 1,855,660.08
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Solution
The fourth proportional to 3,305,805.12, 4,561,660.47 and 1,855,660.08 is: 2,560,614.11
Step by Step Solution
- Step 1: Write the proportion equation
3,305,805.12 : 4,561,660.47 = 1,855,660.08 : x - Step 2: Convert to fraction form
3,305,805.12/4,561,660.47 = 1,855,660.08/x - Step 3: Cross multiply
3,305,805.12x = 4,561,660.47 × 1,855,660.08 - Step 4: Simplify right side
3,305,805.12x = 8,464,891,232,693.04 - Step 5: Solve for x
x = 8,464,891,232,693.04/3,305,805.12 - Step 6: Final answer
x = 2,560,614.11
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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.