Finding the Fourth Proportional to 5,591,881.21, 8,381,682.01 and 3,190,490.41
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Solution
The fourth proportional to 5,591,881.21, 8,381,682.01 and 3,190,490.41 is: 4,782,232.50
Step by Step Solution
- Step 1: Write the proportion equation
5,591,881.21 : 8,381,682.01 = 3,190,490.41 : x - Step 2: Convert to fraction form
5,591,881.21/8,381,682.01 = 3,190,490.41/x - Step 3: Cross multiply
5,591,881.21x = 8,381,682.01 × 3,190,490.41 - Step 4: Simplify right side
5,591,881.21x = 26,741,676,072,574.52 - Step 5: Solve for x
x = 26,741,676,072,574.52/5,591,881.21 - Step 6: Final answer
x = 4,782,232.50
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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.