Finding the Fourth Proportional to 2,811,717.26, 3,880,188.26 and 1,522,557.71
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Solution
The fourth proportional to 2,811,717.26, 3,880,188.26 and 1,522,557.71 is: 2,101,139.62
Step by Step Solution
- Step 1: Write the proportion equation
2,811,717.26 : 3,880,188.26 = 1,522,557.71 : x - Step 2: Convert to fraction form
2,811,717.26/3,880,188.26 = 1,522,557.71/x - Step 3: Cross multiply
2,811,717.26x = 3,880,188.26 × 1,522,557.71 - Step 4: Simplify right side
2,811,717.26x = 5,907,810,524,500.76 - Step 5: Solve for x
x = 5,907,810,524,500.76/2,811,717.26 - Step 6: Final answer
x = 2,101,139.62
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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.