Finding the Fourth Proportional to 5,517,362.34, 7,612,818.93 and 3,225,079.62
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Solution
The fourth proportional to 5,517,362.34, 7,612,818.93 and 3,225,079.62 is: 4,449,942.87
Step by Step Solution
- Step 1: Write the proportion equation
5,517,362.34 : 7,612,818.93 = 3,225,079.62 : x - Step 2: Convert to fraction form
5,517,362.34/7,612,818.93 = 3,225,079.62/x - Step 3: Cross multiply
5,517,362.34x = 7,612,818.93 × 3,225,079.62 - Step 4: Simplify right side
5,517,362.34x = 24,551,947,181,893.21 - Step 5: Solve for x
x = 24,551,947,181,893.21/5,517,362.34 - Step 6: Final answer
x = 4,449,942.87
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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.