Finding the Fourth Proportional to 3,419,163.59, 4,718,664.99 and 1,968,827.88
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Solution
The fourth proportional to 3,419,163.59, 4,718,664.99 and 1,968,827.88 is: 2,717,108.72
Step by Step Solution
- Step 1: Write the proportion equation
3,419,163.59 : 4,718,664.99 = 1,968,827.88 : x - Step 2: Convert to fraction form
3,419,163.59/4,718,664.99 = 1,968,827.88/x - Step 3: Cross multiply
3,419,163.59x = 4,718,664.99 × 1,968,827.88 - Step 4: Simplify right side
3,419,163.59x = 9,290,239,188,691.92 - Step 5: Solve for x
x = 9,290,239,188,691.92/3,419,163.59 - Step 6: Final answer
x = 2,717,108.72
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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.