Finding the Fourth Proportional to 6,324,239.80, 8,727,453.84 and 3,423,630.67
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Solution
The fourth proportional to 6,324,239.80, 8,727,453.84 and 3,423,630.67 is: 4,724,611.90
Step by Step Solution
- Step 1: Write the proportion equation
6,324,239.80 : 8,727,453.84 = 3,423,630.67 : x - Step 2: Convert to fraction form
6,324,239.80/8,727,453.84 = 3,423,630.67/x - Step 3: Cross multiply
6,324,239.80x = 8,727,453.84 × 3,423,630.67 - Step 4: Simplify right side
6,324,239.80x = 29,879,578,637,633.27 - Step 5: Solve for x
x = 29,879,578,637,633.27/6,324,239.80 - Step 6: Final answer
x = 4,724,611.90
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1.5x scale
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.