Finding the Fourth Proportional to 5,685,025.96, 7,846,135.94 and 3,619,381.68
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Solution
The fourth proportional to 5,685,025.96, 7,846,135.94 and 3,619,381.68 is: 4,995,256.11
Step by Step Solution
- Step 1: Write the proportion equation
5,685,025.96 : 7,846,135.94 = 3,619,381.68 : x - Step 2: Convert to fraction form
5,685,025.96/7,846,135.94 = 3,619,381.68/x - Step 3: Cross multiply
5,685,025.96x = 7,846,135.94 × 3,619,381.68 - Step 4: Simplify right side
5,685,025.96x = 28,398,160,680,025.58 - Step 5: Solve for x
x = 28,398,160,680,025.58/5,685,025.96 - Step 6: Final answer
x = 4,995,256.11
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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.