Finding the Fourth Proportional to 3,934,944.44, 5,430,079.97 and 2,192,523.80
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Solution
The fourth proportional to 3,934,944.44, 5,430,079.97 and 2,192,523.80 is: 3,025,602.96
Step by Step Solution
- Step 1: Write the proportion equation
3,934,944.44 : 5,430,079.97 = 2,192,523.80 : x - Step 2: Convert to fraction form
3,934,944.44/5,430,079.97 = 2,192,523.80/x - Step 3: Cross multiply
3,934,944.44x = 5,430,079.97 × 2,192,523.80 - Step 4: Simplify right side
3,934,944.44x = 11,905,579,552,570.18 - Step 5: Solve for x
x = 11,905,579,552,570.18/3,934,944.44 - Step 6: Final answer
x = 3,025,602.96
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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.