Finding the Fourth Proportional to 4,982,661.09, 6,876,072.32 and 2,690,821.75
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Solution
The fourth proportional to 4,982,661.09, 6,876,072.32 and 2,690,821.75 is: 3,713,334.02
Step by Step Solution
- Step 1: Write the proportion equation
4,982,661.09 : 6,876,072.32 = 2,690,821.75 : x - Step 2: Convert to fraction form
4,982,661.09/6,876,072.32 = 2,690,821.75/x - Step 3: Cross multiply
4,982,661.09x = 6,876,072.32 × 2,690,821.75 - Step 4: Simplify right side
4,982,661.09x = 18,502,284,953,228.96 - Step 5: Solve for x
x = 18,502,284,953,228.96/4,982,661.09 - Step 6: Final answer
x = 3,713,334.02
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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.