Finding the Fourth Proportional to 4,178,409.92, 5,728,652.80 and 4,102,827.20
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Solution
The fourth proportional to 4,178,409.92, 5,728,652.80 and 4,102,827.20 is: 5,625,027.94
Step by Step Solution
- Step 1: Write the proportion equation
4,178,409.92 : 5,728,652.80 = 4,102,827.20 : x - Step 2: Convert to fraction form
4,178,409.92/5,728,652.80 = 4,102,827.20/x - Step 3: Cross multiply
4,178,409.92x = 5,728,652.80 × 4,102,827.20 - Step 4: Simplify right side
4,178,409.92x = 23,503,672,527,196.16 - Step 5: Solve for x
x = 23,503,672,527,196.16/4,178,409.92 - Step 6: Final answer
x = 5,625,027.94
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.