Finding the Fourth Proportional to 5,364,292.40, 7,400,911.92 and 3,040,935.84
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Solution
The fourth proportional to 5,364,292.40, 7,400,911.92 and 3,040,935.84 is: 4,195,464.50
Step by Step Solution
- Step 1: Write the proportion equation
5,364,292.40 : 7,400,911.92 = 3,040,935.84 : x - Step 2: Convert to fraction form
5,364,292.40/7,400,911.92 = 3,040,935.84/x - Step 3: Cross multiply
5,364,292.40x = 7,400,911.92 × 3,040,935.84 - Step 4: Simplify right side
5,364,292.40x = 22,505,698,306,211.21 - Step 5: Solve for x
x = 22,505,698,306,211.21/5,364,292.40 - Step 6: Final answer
x = 4,195,464.50
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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.