Finding the Fourth Proportional to 3,623,589.08, 5,000,614.56 and 1,992,064.40
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Solution
The fourth proportional to 3,623,589.08, 5,000,614.56 and 1,992,064.40 is: 2,749,082.75
Step by Step Solution
- Step 1: Write the proportion equation
3,623,589.08 : 5,000,614.56 = 1,992,064.40 : x - Step 2: Convert to fraction form
3,623,589.08/5,000,614.56 = 1,992,064.40/x - Step 3: Cross multiply
3,623,589.08x = 5,000,614.56 × 1,992,064.40 - Step 4: Simplify right side
3,623,589.08x = 9,961,546,243,097.66 - Step 5: Solve for x
x = 9,961,546,243,097.66/3,623,589.08 - Step 6: Final answer
x = 2,749,082.75
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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.