Finding the Fourth Proportional to 2,342,063.70, 3,231,869.88 and 1,424,166.12
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Solution
The fourth proportional to 2,342,063.70, 3,231,869.88 and 1,424,166.12 is: 1,965,240.99
Step by Step Solution
- Step 1: Write the proportion equation
2,342,063.70 : 3,231,869.88 = 1,424,166.12 : x - Step 2: Convert to fraction form
2,342,063.70/3,231,869.88 = 1,424,166.12/x - Step 3: Cross multiply
2,342,063.70x = 3,231,869.88 × 1,424,166.12 - Step 4: Simplify right side
2,342,063.70x = 4,602,719,587,344.47 - Step 5: Solve for x
x = 4,602,719,587,344.47/2,342,063.70 - Step 6: Final answer
x = 1,965,240.99
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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.