Finding the Fourth Proportional to 3,163,161.26, 4,746,187.72 and 1,721,685.26
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Solution
The fourth proportional to 3,163,161.26, 4,746,187.72 and 1,721,685.26 is: 2,583,314.84
Step by Step Solution
- Step 1: Write the proportion equation
3,163,161.26 : 4,746,187.72 = 1,721,685.26 : x - Step 2: Convert to fraction form
3,163,161.26/4,746,187.72 = 1,721,685.26/x - Step 3: Cross multiply
3,163,161.26x = 4,746,187.72 × 1,721,685.26 - Step 4: Simplify right side
3,163,161.26x = 8,171,441,438,717.01 - Step 5: Solve for x
x = 8,171,441,438,717.01/3,163,161.26 - Step 6: Final answer
x = 2,583,314.84
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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.