Finding the Fourth Proportional to 6,467,572.46, 8,922,996.30 and 4,145,745.34
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Solution
The fourth proportional to 6,467,572.46, 8,922,996.30 and 4,145,745.34 is: 5,719,683.94
Step by Step Solution
- Step 1: Write the proportion equation
6,467,572.46 : 8,922,996.30 = 4,145,745.34 : x - Step 2: Convert to fraction form
6,467,572.46/8,922,996.30 = 4,145,745.34/x - Step 3: Cross multiply
6,467,572.46x = 8,922,996.30 × 4,145,745.34 - Step 4: Simplify right side
6,467,572.46x = 36,992,470,329,562.24 - Step 5: Solve for x
x = 36,992,470,329,562.24/6,467,572.46 - Step 6: Final answer
x = 5,719,683.94
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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.