Finding the Fourth Proportional to 5,647,759.65, 7,793,968.68 and 3,069,440.55
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Solution
The fourth proportional to 5,647,759.65, 7,793,968.68 and 3,069,440.55 is: 4,235,860.77
Step by Step Solution
- Step 1: Write the proportion equation
5,647,759.65 : 7,793,968.68 = 3,069,440.55 : x - Step 2: Convert to fraction form
5,647,759.65/7,793,968.68 = 3,069,440.55/x - Step 3: Cross multiply
5,647,759.65x = 7,793,968.68 × 3,069,440.55 - Step 4: Simplify right side
5,647,759.65x = 23,923,123,511,821.97 - Step 5: Solve for x
x = 23,923,123,511,821.97/5,647,759.65 - Step 6: Final answer
x = 4,235,860.77
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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.