Finding the Fourth Proportional to 2,992,668.75, 4,129,882.89 and 1,634,544.99
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Solution
The fourth proportional to 2,992,668.75, 4,129,882.89 and 1,634,544.99 is: 2,255,672.09
Step by Step Solution
- Step 1: Write the proportion equation
2,992,668.75 : 4,129,882.89 = 1,634,544.99 : x - Step 2: Convert to fraction form
2,992,668.75/4,129,882.89 = 1,634,544.99/x - Step 3: Cross multiply
2,992,668.75x = 4,129,882.89 × 1,634,544.99 - Step 4: Simplify right side
2,992,668.75x = 6,750,479,387,136.22 - Step 5: Solve for x
x = 6,750,479,387,136.22/2,992,668.75 - Step 6: Final answer
x = 2,255,672.09
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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.