Finding the Fourth Proportional to 3,385,163.32, 5,042,561.47 and 3,201,812.53
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Solution
The fourth proportional to 3,385,163.32, 5,042,561.47 and 3,201,812.53 is: 4,769,440.93
Step by Step Solution
- Step 1: Write the proportion equation
3,385,163.32 : 5,042,561.47 = 3,201,812.53 : x - Step 2: Convert to fraction form
3,385,163.32/5,042,561.47 = 3,201,812.53/x - Step 3: Cross multiply
3,385,163.32x = 5,042,561.47 × 3,201,812.53 - Step 4: Simplify right side
3,385,163.32x = 16,145,336,497,941.22 - Step 5: Solve for x
x = 16,145,336,497,941.22/3,385,163.32 - Step 6: Final answer
x = 4,769,440.93
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.