Finding the Fourth Proportional to 5,718,372.73, 7,891,491.47 and 3,104,986.95
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Solution
The fourth proportional to 5,718,372.73, 7,891,491.47 and 3,104,986.95 is: 4,284,956.43
Step by Step Solution
- Step 1: Write the proportion equation
5,718,372.73 : 7,891,491.47 = 3,104,986.95 : x - Step 2: Convert to fraction form
5,718,372.73/7,891,491.47 = 3,104,986.95/x - Step 3: Cross multiply
5,718,372.73x = 7,891,491.47 × 3,104,986.95 - Step 4: Simplify right side
5,718,372.73x = 24,502,978,014,861.38 - Step 5: Solve for x
x = 24,502,978,014,861.38/5,718,372.73 - Step 6: Final answer
x = 4,284,956.43
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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.