Finding the Fourth Proportional to 3,186,121.94, 4,396,835.10 and 1,735,812.92
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Solution
The fourth proportional to 3,186,121.94, 4,396,835.10 and 1,735,812.92 is: 2,395,414.65
Step by Step Solution
- Step 1: Write the proportion equation
3,186,121.94 : 4,396,835.10 = 1,735,812.92 : x - Step 2: Convert to fraction form
3,186,121.94/4,396,835.10 = 1,735,812.92/x - Step 3: Cross multiply
3,186,121.94x = 4,396,835.10 × 1,735,812.92 - Step 4: Simplify right side
3,186,121.94x = 7,632,083,173,689.49 - Step 5: Solve for x
x = 7,632,083,173,689.49/3,186,121.94 - Step 6: Final answer
x = 2,395,414.65
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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.