Finding the Fourth Proportional to 6,133,545.20, 8,464,350.22 and 3,380,331.92
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Solution
The fourth proportional to 6,133,545.20, 8,464,350.22 and 3,380,331.92 is: 4,664,889.92
Step by Step Solution
- Step 1: Write the proportion equation
6,133,545.20 : 8,464,350.22 = 3,380,331.92 : x - Step 2: Convert to fraction form
6,133,545.20/8,464,350.22 = 3,380,331.92/x - Step 3: Cross multiply
6,133,545.20x = 8,464,350.22 × 3,380,331.92 - Step 4: Simplify right side
6,133,545.20x = 28,612,313,179,952.44 - Step 5: Solve for x
x = 28,612,313,179,952.44/6,133,545.20 - Step 6: Final answer
x = 4,664,889.92
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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.