Finding the Fourth Proportional to 4,987,589.33, 6,882,876.23 and 2,782,452.15
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Solution
The fourth proportional to 4,987,589.33, 6,882,876.23 and 2,782,452.15 is: 3,839,785.62
Step by Step Solution
- Step 1: Write the proportion equation
4,987,589.33 : 6,882,876.23 = 2,782,452.15 : x - Step 2: Convert to fraction form
4,987,589.33/6,882,876.23 = 2,782,452.15/x - Step 3: Cross multiply
4,987,589.33x = 6,882,876.23 × 2,782,452.15 - Step 4: Simplify right side
4,987,589.33x = 19,151,273,750,435.13 - Step 5: Solve for x
x = 19,151,273,750,435.13/4,987,589.33 - Step 6: Final answer
x = 3,839,785.62
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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.