Finding the Fourth Proportional to 5,294,338.44, 7,940,757.87 and 1,699,632.06
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Solution
The fourth proportional to 5,294,338.44, 7,940,757.87 and 1,699,632.06 is: 2,549,207.39
Step by Step Solution
- Step 1: Write the proportion equation
5,294,338.44 : 7,940,757.87 = 1,699,632.06 : x - Step 2: Convert to fraction form
5,294,338.44/7,940,757.87 = 1,699,632.06/x - Step 3: Cross multiply
5,294,338.44x = 7,940,757.87 × 1,699,632.06 - Step 4: Simplify right side
5,294,338.44x = 13,496,366,656,549.31 - Step 5: Solve for x
x = 13,496,366,656,549.31/5,294,338.44 - Step 6: Final answer
x = 2,549,207.39
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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.