Finding the Fourth Proportional to 5,519,520.90, 8,278,699.01 and 1,476,416.70
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Solution
The fourth proportional to 5,519,520.90, 8,278,699.01 and 1,476,416.70 is: 2,214,469.28
Step by Step Solution
- Step 1: Write the proportion equation
5,519,520.90 : 8,278,699.01 = 1,476,416.70 : x - Step 2: Convert to fraction form
5,519,520.90/8,278,699.01 = 1,476,416.70/x - Step 3: Cross multiply
5,519,520.90x = 8,278,699.01 × 1,476,416.70 - Step 4: Simplify right side
5,519,520.90x = 12,222,809,465,255.38 - Step 5: Solve for x
x = 12,222,809,465,255.38/5,519,520.90 - Step 6: Final answer
x = 2,214,469.28
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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.