Finding the Fourth Proportional to 6,467,531.49, 8,922,939.52 and 4,145,703.96
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Solution
The fourth proportional to 6,467,531.49, 8,922,939.52 and 4,145,703.96 is: 5,719,626.69
Step by Step Solution
- Step 1: Write the proportion equation
6,467,531.49 : 8,922,939.52 = 4,145,703.96 : x - Step 2: Convert to fraction form
6,467,531.49/8,922,939.52 = 4,145,703.96/x - Step 3: Cross multiply
6,467,531.49x = 8,922,939.52 × 4,145,703.96 - Step 4: Simplify right side
6,467,531.49x = 36,991,865,702,904.50 - Step 5: Solve for x
x = 36,991,865,702,904.50/6,467,531.49 - Step 6: Final answer
x = 5,719,626.69
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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.