Finding the Fourth Proportional to 3,322,136.70, 4,983,205.05 and 3,259,151.10
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Solution
The fourth proportional to 3,322,136.70, 4,983,205.05 and 3,259,151.10 is: 4,888,726.65
Step by Step Solution
- Step 1: Write the proportion equation
3,322,136.70 : 4,983,205.05 = 3,259,151.10 : x - Step 2: Convert to fraction form
3,322,136.70/4,983,205.05 = 3,259,151.10/x - Step 3: Cross multiply
3,322,136.70x = 4,983,205.05 × 3,259,151.10 - Step 4: Simplify right side
3,322,136.70x = 16,241,018,220,233.05 - Step 5: Solve for x
x = 16,241,018,220,233.05/3,322,136.70 - Step 6: Final answer
x = 4,888,726.65
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.