Finding the Fourth Proportional to 7,612,874.67, 11,419,122.34 and 2,221,571.81
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Solution
The fourth proportional to 7,612,874.67, 11,419,122.34 and 2,221,571.81 is: 3,332,302.36
Step by Step Solution
- Step 1: Write the proportion equation
7,612,874.67 : 11,419,122.34 = 2,221,571.81 : x - Step 2: Convert to fraction form
7,612,874.67/11,419,122.34 = 2,221,571.81/x - Step 3: Cross multiply
7,612,874.67x = 11,419,122.34 × 2,221,571.81 - Step 4: Simplify right side
7,612,874.67x = 25,368,400,252,577.44 - Step 5: Solve for x
x = 25,368,400,252,577.44/7,612,874.67 - Step 6: Final answer
x = 3,332,302.36
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1.5x scale
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.