Finding the Fourth Proportional to 6,347,680.26, 8,765,777.29 and 4,419,213.94
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Solution
The fourth proportional to 6,347,680.26, 8,765,777.29 and 4,419,213.94 is: 6,102,677.45
Step by Step Solution
- Step 1: Write the proportion equation
6,347,680.26 : 8,765,777.29 = 4,419,213.94 : x - Step 2: Convert to fraction form
6,347,680.26/8,765,777.29 = 4,419,213.94/x - Step 3: Cross multiply
6,347,680.26x = 8,765,777.29 × 4,419,213.94 - Step 4: Simplify right side
6,347,680.26x = 38,737,845,194,903.42 - Step 5: Solve for x
x = 38,737,845,194,903.42/6,347,680.26 - Step 6: Final answer
x = 6,102,677.45
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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.