Finding the Fourth Proportional to 3,543,024.09, 4,889,528.81 and 1,994,385.70
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Solution
The fourth proportional to 3,543,024.09, 4,889,528.81 and 1,994,385.70 is: 2,752,339.83
Step by Step Solution
- Step 1: Write the proportion equation
3,543,024.09 : 4,889,528.81 = 1,994,385.70 : x - Step 2: Convert to fraction form
3,543,024.09/4,889,528.81 = 1,994,385.70/x - Step 3: Cross multiply
3,543,024.09x = 4,889,528.81 × 1,994,385.70 - Step 4: Simplify right side
3,543,024.09x = 9,751,606,331,164.16 - Step 5: Solve for x
x = 9,751,606,331,164.16/3,543,024.09 - Step 6: Final answer
x = 2,752,339.83
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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.