Finding the Fourth Proportional to 3,085,912.64, 4,626,626.94 and 1,289,309.92
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Solution
The fourth proportional to 3,085,912.64, 4,626,626.94 and 1,289,309.92 is: 1,933,028.15
Step by Step Solution
- Step 1: Write the proportion equation
3,085,912.64 : 4,626,626.94 = 1,289,309.92 : x - Step 2: Convert to fraction form
3,085,912.64/4,626,626.94 = 1,289,309.92/x - Step 3: Cross multiply
3,085,912.64x = 4,626,626.94 × 1,289,309.92 - Step 4: Simplify right side
3,085,912.64x = 5,965,155,986,748.11 - Step 5: Solve for x
x = 5,965,155,986,748.11/3,085,912.64 - Step 6: Final answer
x = 1,933,028.15
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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.