Finding the Fourth Proportional to 3,599,728.94, 5,386,325.34 and 2,161,286.66
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Solution
The fourth proportional to 3,599,728.94, 5,386,325.34 and 2,161,286.66 is: 3,233,963.81
Step by Step Solution
- Step 1: Write the proportion equation
3,599,728.94 : 5,386,325.34 = 2,161,286.66 : x - Step 2: Convert to fraction form
3,599,728.94/5,386,325.34 = 2,161,286.66/x - Step 3: Cross multiply
3,599,728.94x = 5,386,325.34 × 2,161,286.66 - Step 4: Simplify right side
3,599,728.94x = 11,641,393,103,761.96 - Step 5: Solve for x
x = 11,641,393,103,761.96/3,599,728.94 - Step 6: Final answer
x = 3,233,963.81
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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.