Finding the Fourth Proportional to 5,121,544.52, 7,067,874.04 and 2,829,852.92
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Solution
The fourth proportional to 5,121,544.52, 7,067,874.04 and 2,829,852.92 is: 3,905,275.82
Step by Step Solution
- Step 1: Write the proportion equation
5,121,544.52 : 7,067,874.04 = 2,829,852.92 : x - Step 2: Convert to fraction form
5,121,544.52/7,067,874.04 = 2,829,852.92/x - Step 3: Cross multiply
5,121,544.52x = 7,067,874.04 × 2,829,852.92 - Step 4: Simplify right side
5,121,544.52x = 20,001,043,990,286.20 - Step 5: Solve for x
x = 20,001,043,990,286.20/5,121,544.52 - Step 6: Final answer
x = 3,905,275.82
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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.