Finding the Fourth Proportional to 4,518,514.33, 6,233,991.05 and 2,887,876.19
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Solution
The fourth proportional to 4,518,514.33, 6,233,991.05 and 2,887,876.19 is: 3,984,272.94
Step by Step Solution
- Step 1: Write the proportion equation
4,518,514.33 : 6,233,991.05 = 2,887,876.19 : x - Step 2: Convert to fraction form
4,518,514.33/6,233,991.05 = 2,887,876.19/x - Step 3: Cross multiply
4,518,514.33x = 6,233,991.05 × 2,887,876.19 - Step 4: Simplify right side
4,518,514.33x = 18,002,994,344,772.77 - Step 5: Solve for x
x = 18,002,994,344,772.77/4,518,514.33 - Step 6: Final answer
x = 3,984,272.94
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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.