Finding the Fourth Proportional to 3,887,883.87, 5,831,607.82 and 1,192,201.68
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Solution
The fourth proportional to 3,887,883.87, 5,831,607.82 and 1,192,201.68 is: 1,788,235.68
Step by Step Solution
- Step 1: Write the proportion equation
3,887,883.87 : 5,831,607.82 = 1,192,201.68 : x - Step 2: Convert to fraction form
3,887,883.87/5,831,607.82 = 1,192,201.68/x - Step 3: Cross multiply
3,887,883.87x = 5,831,607.82 × 1,192,201.68 - Step 4: Simplify right side
3,887,883.87x = 6,952,452,640,105.14 - Step 5: Solve for x
x = 6,952,452,640,105.14/3,887,883.87 - Step 6: Final answer
x = 1,788,235.68
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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.