Finding the Fourth Proportional to 5,193,808.32, 7,793,511.84 and 2,163,267.84
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Solution
The fourth proportional to 5,193,808.32, 7,793,511.84 and 2,163,267.84 is: 3,246,067.72
Step by Step Solution
- Step 1: Write the proportion equation
5,193,808.32 : 7,793,511.84 = 2,163,267.84 : x - Step 2: Convert to fraction form
5,193,808.32/7,793,511.84 = 2,163,267.84/x - Step 3: Cross multiply
5,193,808.32x = 7,793,511.84 × 2,163,267.84 - Step 4: Simplify right side
5,193,808.32x = 16,859,453,524,131.22 - Step 5: Solve for x
x = 16,859,453,524,131.22/5,193,808.32 - Step 6: Final answer
x = 3,246,067.72
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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.