Finding the Fourth Proportional to 2,203,877.40, 3,305,816.10 and 783,979.80
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Solution
The fourth proportional to 2,203,877.40, 3,305,816.10 and 783,979.80 is: 1,175,969.70
Step by Step Solution
- Step 1: Write the proportion equation
2,203,877.40 : 3,305,816.10 = 783,979.80 : x - Step 2: Convert to fraction form
2,203,877.40/3,305,816.10 = 783,979.80/x - Step 3: Cross multiply
2,203,877.40x = 3,305,816.10 × 783,979.80 - Step 4: Simplify right side
2,203,877.40x = 2,591,693,044,914.78 - Step 5: Solve for x
x = 2,591,693,044,914.78/2,203,877.40 - Step 6: Final answer
x = 1,175,969.70
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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.