Finding the Fourth Proportional to 2,157,311.31, 3,235,126 and 808,738.09
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Solution
The fourth proportional to 2,157,311.31, 3,235,126 and 808,738.09 is: 1,212,791.87
Step by Step Solution
- Step 1: Write the proportion equation
2,157,311.31 : 3,235,126 = 808,738.09 : x - Step 2: Convert to fraction form
2,157,311.31/3,235,126 = 808,738.09/x - Step 3: Cross multiply
2,157,311.31x = 3,235,126 × 808,738.09 - Step 4: Simplify right side
2,157,311.31x = 2,616,369,622,149.34 - Step 5: Solve for x
x = 2,616,369,622,149.34/2,157,311.31 - Step 6: Final answer
x = 1,212,791.87
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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.