Finding the Fourth Proportional to 3,216,163.14, 4,438,391.94 and 1,820,616.48
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Solution
The fourth proportional to 3,216,163.14, 4,438,391.94 and 1,820,616.48 is: 2,512,499.88
Step by Step Solution
- Step 1: Write the proportion equation
3,216,163.14 : 4,438,391.94 = 1,820,616.48 : x - Step 2: Convert to fraction form
3,216,163.14/4,438,391.94 = 1,820,616.48/x - Step 3: Cross multiply
3,216,163.14x = 4,438,391.94 × 1,820,616.48 - Step 4: Simplify right side
3,216,163.14x = 8,080,609,510,663.17 - Step 5: Solve for x
x = 8,080,609,510,663.17/3,216,163.14 - Step 6: Final answer
x = 2,512,499.88
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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.