Finding the Fourth Proportional to 3,353,657.97, 4,628,651.56 and 1,976,919.60
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Solution
The fourth proportional to 3,353,657.97, 4,628,651.56 and 1,976,919.60 is: 2,728,504.84
Step by Step Solution
- Step 1: Write the proportion equation
3,353,657.97 : 4,628,651.56 = 1,976,919.60 : x - Step 2: Convert to fraction form
3,353,657.97/4,628,651.56 = 1,976,919.60/x - Step 3: Cross multiply
3,353,657.97x = 4,628,651.56 × 1,976,919.60 - Step 4: Simplify right side
3,353,657.97x = 9,150,471,990,534.58 - Step 5: Solve for x
x = 9,150,471,990,534.58/3,353,657.97 - Step 6: Final answer
x = 2,728,504.84
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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.