Finding the Fourth Proportional to 5,330,194.66, 7,355,668.53 and 2,882,805.90
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Solution
The fourth proportional to 5,330,194.66, 7,355,668.53 and 2,882,805.90 is: 3,978,272.09
Step by Step Solution
- Step 1: Write the proportion equation
5,330,194.66 : 7,355,668.53 = 2,882,805.90 : x - Step 2: Convert to fraction form
5,330,194.66/7,355,668.53 = 2,882,805.90/x - Step 3: Cross multiply
5,330,194.66x = 7,355,668.53 × 2,882,805.90 - Step 4: Simplify right side
5,330,194.66x = 21,204,964,636,728.33 - Step 5: Solve for x
x = 21,204,964,636,728.33/5,330,194.66 - Step 6: Final answer
x = 3,978,272.09
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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.