Finding the Fourth Proportional to 4,435,842.46, 6,121,004.05 and 3,274,906.74
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Solution
The fourth proportional to 4,435,842.46, 6,121,004.05 and 3,274,906.74 is: 4,519,032.77
Step by Step Solution
- Step 1: Write the proportion equation
4,435,842.46 : 6,121,004.05 = 3,274,906.74 : x - Step 2: Convert to fraction form
4,435,842.46/6,121,004.05 = 3,274,906.74/x - Step 3: Cross multiply
4,435,842.46x = 6,121,004.05 × 3,274,906.74 - Step 4: Simplify right side
4,435,842.46x = 20,045,717,418,912.30 - Step 5: Solve for x
x = 20,045,717,418,912.30/4,435,842.46 - Step 6: Final answer
x = 4,519,032.77
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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.