Finding the Fourth Proportional to 7,252,826.20, 10,879,239.30 and 2,203,480.60
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Solution
The fourth proportional to 7,252,826.20, 10,879,239.30 and 2,203,480.60 is: 3,305,220.90
Step by Step Solution
- Step 1: Write the proportion equation
7,252,826.20 : 10,879,239.30 = 2,203,480.60 : x - Step 2: Convert to fraction form
7,252,826.20/10,879,239.30 = 2,203,480.60/x - Step 3: Cross multiply
7,252,826.20x = 10,879,239.30 × 2,203,480.60 - Step 4: Simplify right side
7,252,826.20x = 23,972,192,740,307.58 - Step 5: Solve for x
x = 23,972,192,740,307.58/7,252,826.20 - Step 6: Final answer
x = 3,305,220.90
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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.