Finding the Fourth Proportional to 3,591,280.74, 5,386,927.29 and 2,876,170.62
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Solution
The fourth proportional to 3,591,280.74, 5,386,927.29 and 2,876,170.62 is: 4,314,260.88
Step by Step Solution
- Step 1: Write the proportion equation
3,591,280.74 : 5,386,927.29 = 2,876,170.62 : x - Step 2: Convert to fraction form
3,591,280.74/5,386,927.29 = 2,876,170.62/x - Step 3: Cross multiply
3,591,280.74x = 5,386,927.29 × 2,876,170.62 - Step 4: Simplify right side
3,591,280.74x = 15,493,722,003,574.22 - Step 5: Solve for x
x = 15,493,722,003,574.22/3,591,280.74 - Step 6: Final answer
x = 4,314,260.88
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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.