Finding the Fourth Proportional to 5,691,059.99, 7,853,849.77 and 3,112,740.84
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Solution
The fourth proportional to 5,691,059.99, 7,853,849.77 and 3,112,740.84 is: 4,295,684.63
Step by Step Solution
- Step 1: Write the proportion equation
5,691,059.99 : 7,853,849.77 = 3,112,740.84 : x - Step 2: Convert to fraction form
5,691,059.99/7,853,849.77 = 3,112,740.84/x - Step 3: Cross multiply
5,691,059.99x = 7,853,849.77 × 3,112,740.84 - Step 4: Simplify right side
5,691,059.99x = 24,446,998,930,303.61 - Step 5: Solve for x
x = 24,446,998,930,303.61/5,691,059.99 - Step 6: Final answer
x = 4,295,684.63
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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.