Finding the Fourth Proportional to 4,256,363.80, 6,384,545.70 and 2,660,728.60
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Solution
The fourth proportional to 4,256,363.80, 6,384,545.70 and 2,660,728.60 is: 3,991,092.90
Step by Step Solution
- Step 1: Write the proportion equation
4,256,363.80 : 6,384,545.70 = 2,660,728.60 : x - Step 2: Convert to fraction form
4,256,363.80/6,384,545.70 = 2,660,728.60/x - Step 3: Cross multiply
4,256,363.80x = 6,384,545.70 × 2,660,728.60 - Step 4: Simplify right side
4,256,363.80x = 16,987,543,341,997.02 - Step 5: Solve for x
x = 16,987,543,341,997.02/4,256,363.80 - Step 6: Final answer
x = 3,991,092.90
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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.