Finding the Fourth Proportional to 5,859,652.92, 8,085,554.18 and 3,378,965.21
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Solution
The fourth proportional to 5,859,652.92, 8,085,554.18 and 3,378,965.21 is: 4,662,529.78
Step by Step Solution
- Step 1: Write the proportion equation
5,859,652.92 : 8,085,554.18 = 3,378,965.21 : x - Step 2: Convert to fraction form
5,859,652.92/8,085,554.18 = 3,378,965.21/x - Step 3: Cross multiply
5,859,652.92x = 8,085,554.18 × 3,378,965.21 - Step 4: Simplify right side
5,859,652.92x = 27,320,806,260,895.25 - Step 5: Solve for x
x = 27,320,806,260,895.25/5,859,652.92 - Step 6: Final answer
x = 4,662,529.78
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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.