Finding the Fourth Proportional to 3,511,109.80, 5,266,664.70 and 3,237,394.60
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Solution
The fourth proportional to 3,511,109.80, 5,266,664.70 and 3,237,394.60 is: 4,856,091.90
Step by Step Solution
- Step 1: Write the proportion equation
3,511,109.80 : 5,266,664.70 = 3,237,394.60 : x - Step 2: Convert to fraction form
3,511,109.80/5,266,664.70 = 3,237,394.60/x - Step 3: Cross multiply
3,511,109.80x = 5,266,664.70 × 3,237,394.60 - Step 4: Simplify right side
3,511,109.80x = 17,050,271,859,790.62 - Step 5: Solve for x
x = 17,050,271,859,790.62/3,511,109.80 - Step 6: Final answer
x = 4,856,091.90
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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.