Finding the Fourth Proportional to 4,333,213.99, 5,979,761.78 and 2,399,433.05
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Solution
The fourth proportional to 4,333,213.99, 5,979,761.78 and 2,399,433.05 is: 3,311,176.89
Step by Step Solution
- Step 1: Write the proportion equation
4,333,213.99 : 5,979,761.78 = 2,399,433.05 : x - Step 2: Convert to fraction form
4,333,213.99/5,979,761.78 = 2,399,433.05/x - Step 3: Cross multiply
4,333,213.99x = 5,979,761.78 × 2,399,433.05 - Step 4: Simplify right side
4,333,213.99x = 14,348,038,037,267.22 - Step 5: Solve for x
x = 14,348,038,037,267.22/4,333,213.99 - Step 6: Final answer
x = 3,311,176.89
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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.