Finding the Fourth Proportional to 5,329,639.26, 7,990,907.85 and 2,934,611.82
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Solution
The fourth proportional to 5,329,639.26, 7,990,907.85 and 2,934,611.82 is: 4,399,962.45
Step by Step Solution
- Step 1: Write the proportion equation
5,329,639.26 : 7,990,907.85 = 2,934,611.82 : x - Step 2: Convert to fraction form
5,329,639.26/7,990,907.85 = 2,934,611.82/x - Step 3: Cross multiply
5,329,639.26x = 7,990,907.85 × 2,934,611.82 - Step 4: Simplify right side
5,329,639.26x = 23,450,212,629,140.79 - Step 5: Solve for x
x = 23,450,212,629,140.79/5,329,639.26 - Step 6: Final answer
x = 4,399,962.45
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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.