Finding the Fourth Proportional to 4,982,616.10, 6,876,010.20 and 2,690,776.66
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Solution
The fourth proportional to 4,982,616.10, 6,876,010.20 and 2,690,776.66 is: 3,713,271.78
Step by Step Solution
- Step 1: Write the proportion equation
4,982,616.10 : 6,876,010.20 = 2,690,776.66 : x - Step 2: Convert to fraction form
4,982,616.10/6,876,010.20 = 2,690,776.66/x - Step 3: Cross multiply
4,982,616.10x = 6,876,010.20 × 2,690,776.66 - Step 4: Simplify right side
4,982,616.10x = 18,501,807,760,081.93 - Step 5: Solve for x
x = 18,501,807,760,081.93/4,982,616.10 - Step 6: Final answer
x = 3,713,271.78
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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.