Finding the Fourth Proportional to 5,470,586.82, 8,198,545.26 and 4,257,628.12
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Solution
The fourth proportional to 5,470,586.82, 8,198,545.26 and 4,257,628.12 is: 6,380,733.55
Step by Step Solution
- Step 1: Write the proportion equation
5,470,586.82 : 8,198,545.26 = 4,257,628.12 : x - Step 2: Convert to fraction form
5,470,586.82/8,198,545.26 = 4,257,628.12/x - Step 3: Cross multiply
5,470,586.82x = 8,198,545.26 × 4,257,628.12 - Step 4: Simplify right side
5,470,586.82x = 34,906,356,842,068.71 - Step 5: Solve for x
x = 34,906,356,842,068.71/5,470,586.82 - Step 6: Final answer
x = 6,380,733.55
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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.