Finding the Fourth Proportional to 4,212,601.49, 5,813,372.44 and 2,278,857.26
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Solution
The fourth proportional to 4,212,601.49, 5,813,372.44 and 2,278,857.26 is: 3,144,813.49
Step by Step Solution
- Step 1: Write the proportion equation
4,212,601.49 : 5,813,372.44 = 2,278,857.26 : x - Step 2: Convert to fraction form
4,212,601.49/5,813,372.44 = 2,278,857.26/x - Step 3: Cross multiply
4,212,601.49x = 5,813,372.44 × 2,278,857.26 - Step 4: Simplify right side
4,212,601.49x = 13,247,845,989,977.91 - Step 5: Solve for x
x = 13,247,845,989,977.91/4,212,601.49 - Step 6: Final answer
x = 3,144,813.49
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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.