Finding the Fourth Proportional to 2,809,351.42, 3,876,922.86 and 1,647,560.80
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Solution
The fourth proportional to 2,809,351.42, 3,876,922.86 and 1,647,560.80 is: 2,273,644.40
Step by Step Solution
- Step 1: Write the proportion equation
2,809,351.42 : 3,876,922.86 = 1,647,560.80 : x - Step 2: Convert to fraction form
2,809,351.42/3,876,922.86 = 1,647,560.80/x - Step 3: Cross multiply
2,809,351.42x = 3,876,922.86 × 1,647,560.80 - Step 4: Simplify right side
2,809,351.42x = 6,387,466,128,759.89 - Step 5: Solve for x
x = 6,387,466,128,759.89/2,809,351.42 - Step 6: Final answer
x = 2,273,644.40
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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.