Finding the Fourth Proportional to 4,543,155.84, 6,269,493.24 and 2,478,190.44
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Solution
The fourth proportional to 4,543,155.84, 6,269,493.24 and 2,478,190.44 is: 3,419,869.09
Step by Step Solution
- Step 1: Write the proportion equation
4,543,155.84 : 6,269,493.24 = 2,478,190.44 : x - Step 2: Convert to fraction form
4,543,155.84/6,269,493.24 = 2,478,190.44/x - Step 3: Cross multiply
4,543,155.84x = 6,269,493.24 × 2,478,190.44 - Step 4: Simplify right side
4,543,155.84x = 15,536,998,211,012.62 - Step 5: Solve for x
x = 15,536,998,211,012.62/4,543,155.84 - Step 6: Final answer
x = 3,419,869.09
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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.