Finding the Fourth Proportional to 4,212,599.49, 5,813,369.69 and 2,278,855.26
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Solution
The fourth proportional to 4,212,599.49, 5,813,369.69 and 2,278,855.26 is: 3,144,810.73
Step by Step Solution
- Step 1: Write the proportion equation
4,212,599.49 : 5,813,369.69 = 2,278,855.26 : x - Step 2: Convert to fraction form
4,212,599.49/5,813,369.69 = 2,278,855.26/x - Step 3: Cross multiply
4,212,599.49x = 5,813,369.69 × 2,278,855.26 - Step 4: Simplify right side
4,212,599.49x = 13,247,828,084,986.79 - Step 5: Solve for x
x = 13,247,828,084,986.79/4,212,599.49 - Step 6: Final answer
x = 3,144,810.73
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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.