Finding the Fourth Proportional to 4,982,694.76, 6,876,118.90 and 2,690,855.48
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Solution
The fourth proportional to 4,982,694.76, 6,876,118.90 and 2,690,855.48 is: 3,713,380.63
Step by Step Solution
- Step 1: Write the proportion equation
4,982,694.76 : 6,876,118.90 = 2,690,855.48 : x - Step 2: Convert to fraction form
4,982,694.76/6,876,118.90 = 2,690,855.48/x - Step 3: Cross multiply
4,982,694.76x = 6,876,118.90 × 2,690,855.48 - Step 4: Simplify right side
4,982,694.76x = 18,502,642,223,196.57 - Step 5: Solve for x
x = 18,502,642,223,196.57/4,982,694.76 - Step 6: Final answer
x = 3,713,380.63
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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.