Finding the Fourth Proportional to 5,361,451.82, 7,398,853.05 and 2,914,068.63
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Solution
The fourth proportional to 5,361,451.82, 7,398,853.05 and 2,914,068.63 is: 4,021,441.64
Step by Step Solution
- Step 1: Write the proportion equation
5,361,451.82 : 7,398,853.05 = 2,914,068.63 : x - Step 2: Convert to fraction form
5,361,451.82/7,398,853.05 = 2,914,068.63/x - Step 3: Cross multiply
5,361,451.82x = 7,398,853.05 × 2,914,068.63 - Step 4: Simplify right side
5,361,451.82x = 21,560,765,570,984.82 - Step 5: Solve for x
x = 21,560,765,570,984.82/5,361,451.82 - Step 6: Final answer
x = 4,021,441.64
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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.