Finding the Fourth Proportional to 3,625,965.68, 5,003,842.61 and 1,994,540.22
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Solution
The fourth proportional to 3,625,965.68, 5,003,842.61 and 1,994,540.22 is: 2,752,470.99
Step by Step Solution
- Step 1: Write the proportion equation
3,625,965.68 : 5,003,842.61 = 1,994,540.22 : x - Step 2: Convert to fraction form
3,625,965.68/5,003,842.61 = 1,994,540.22/x - Step 3: Cross multiply
3,625,965.68x = 5,003,842.61 × 1,994,540.22 - Step 4: Simplify right side
3,625,965.68x = 9,980,365,340,194.78 - Step 5: Solve for x
x = 9,980,365,340,194.78/3,625,965.68 - Step 6: Final answer
x = 2,752,470.99
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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.