Finding the Fourth Proportional to 3,117,163.80, 4,675,791.78 and 873,159.96
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Solution
The fourth proportional to 3,117,163.80, 4,675,791.78 and 873,159.96 is: 1,309,752.85
Step by Step Solution
- Step 1: Write the proportion equation
3,117,163.80 : 4,675,791.78 = 873,159.96 : x - Step 2: Convert to fraction form
3,117,163.80/4,675,791.78 = 873,159.96/x - Step 3: Cross multiply
3,117,163.80x = 4,675,791.78 × 873,159.96 - Step 4: Simplify right side
3,117,163.80x = 4,082,714,163,593.13 - Step 5: Solve for x
x = 4,082,714,163,593.13/3,117,163.80 - Step 6: Final answer
x = 1,309,752.85
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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.