Finding the Fourth Proportional to 4,144,991.85, 6,188,342.49 and 3,167,239.05
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Solution
The fourth proportional to 4,144,991.85, 6,188,342.49 and 3,167,239.05 is: 4,728,588.31
Step by Step Solution
- Step 1: Write the proportion equation
4,144,991.85 : 6,188,342.49 = 3,167,239.05 : x - Step 2: Convert to fraction form
4,144,991.85/6,188,342.49 = 3,167,239.05/x - Step 3: Cross multiply
4,144,991.85x = 6,188,342.49 × 3,167,239.05 - Step 4: Simplify right side
4,144,991.85x = 19,599,959,989,102.23 - Step 5: Solve for x
x = 19,599,959,989,102.23/4,144,991.85 - Step 6: Final answer
x = 4,728,588.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.