Finding the Fourth Proportional to 6,222,422.12, 8,586,911.84 and 3,609,454.66
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Solution
The fourth proportional to 6,222,422.12, 8,586,911.84 and 3,609,454.66 is: 4,981,029.63
Step by Step Solution
- Step 1: Write the proportion equation
6,222,422.12 : 8,586,911.84 = 3,609,454.66 : x - Step 2: Convert to fraction form
6,222,422.12/8,586,911.84 = 3,609,454.66/x - Step 3: Cross multiply
6,222,422.12x = 8,586,911.84 × 3,609,454.66 - Step 4: Simplify right side
6,222,422.12x = 30,994,068,929,918.07 - Step 5: Solve for x
x = 30,994,068,929,918.07/6,222,422.12 - Step 6: Final answer
x = 4,981,029.63
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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.