Finding the Fourth Proportional to 5,463,354.70, 7,539,231.90 and 3,015,913.21
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Solution
The fourth proportional to 5,463,354.70, 7,539,231.90 and 3,015,913.21 is: 4,161,851.15
Step by Step Solution
- Step 1: Write the proportion equation
5,463,354.70 : 7,539,231.90 = 3,015,913.21 : x - Step 2: Convert to fraction form
5,463,354.70/7,539,231.90 = 3,015,913.21/x - Step 3: Cross multiply
5,463,354.70x = 7,539,231.90 × 3,015,913.21 - Step 4: Simplify right side
5,463,354.70x = 22,737,669,042,767.24 - Step 5: Solve for x
x = 22,737,669,042,767.24/5,463,354.70 - Step 6: Final answer
x = 4,161,851.15
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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.