Finding the Fourth Proportional to 6,231,673.24, 8,599,687.64 and 3,478,336.80
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Solution
The fourth proportional to 6,231,673.24, 8,599,687.64 and 3,478,336.80 is: 4,800,092.82
Step by Step Solution
- Step 1: Write the proportion equation
6,231,673.24 : 8,599,687.64 = 3,478,336.80 : x - Step 2: Convert to fraction form
6,231,673.24/8,599,687.64 = 3,478,336.80/x - Step 3: Cross multiply
6,231,673.24x = 8,599,687.64 × 3,478,336.80 - Step 4: Simplify right side
6,231,673.24x = 29,912,609,986,717.15 - Step 5: Solve for x
x = 29,912,609,986,717.15/6,231,673.24 - Step 6: Final answer
x = 4,800,092.82
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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.