Finding the Fourth Proportional to 4,042,062.09, 5,578,177.70 and 2,206,618.24
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Solution
The fourth proportional to 4,042,062.09, 5,578,177.70 and 2,206,618.24 is: 3,045,205.24
Step by Step Solution
- Step 1: Write the proportion equation
4,042,062.09 : 5,578,177.70 = 2,206,618.24 : x - Step 2: Convert to fraction form
4,042,062.09/5,578,177.70 = 2,206,618.24/x - Step 3: Cross multiply
4,042,062.09x = 5,578,177.70 × 2,206,618.24 - Step 4: Simplify right side
4,042,062.09x = 12,308,908,658,781.25 - Step 5: Solve for x
x = 12,308,908,658,781.25/4,042,062.09 - Step 6: Final answer
x = 3,045,205.24
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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.