Finding the Fourth Proportional to 3,831,659.62, 5,288,455.92 and 2,201,186.32
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Solution
The fourth proportional to 3,831,659.62, 5,288,455.92 and 2,201,186.32 is: 3,038,076.96
Step by Step Solution
- Step 1: Write the proportion equation
3,831,659.62 : 5,288,455.92 = 2,201,186.32 : x - Step 2: Convert to fraction form
3,831,659.62/5,288,455.92 = 2,201,186.32/x - Step 3: Cross multiply
3,831,659.62x = 5,288,455.92 × 2,201,186.32 - Step 4: Simplify right side
3,831,659.62x = 11,640,876,825,027.01 - Step 5: Solve for x
x = 11,640,876,825,027.01/3,831,659.62 - Step 6: Final answer
x = 3,038,076.96
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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.