Finding the Fourth Proportional to 6,415,226.40, 8,853,019.92 and 3,475,049.44
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Solution
The fourth proportional to 6,415,226.40, 8,853,019.92 and 3,475,049.44 is: 4,795,572.28
Step by Step Solution
- Step 1: Write the proportion equation
6,415,226.40 : 8,853,019.92 = 3,475,049.44 : x - Step 2: Convert to fraction form
6,415,226.40/8,853,019.92 = 3,475,049.44/x - Step 3: Cross multiply
6,415,226.40x = 8,853,019.92 × 3,475,049.44 - Step 4: Simplify right side
6,415,226.40x = 30,764,681,915,304.84 - Step 5: Solve for x
x = 30,764,681,915,304.84/6,415,226.40 - Step 6: Final answer
x = 4,795,572.28
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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.