Finding the Fourth Proportional to 3,835,110.42, 5,288,160.96 and 3,135,206.76
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Solution
The fourth proportional to 3,835,110.42, 5,288,160.96 and 3,135,206.76 is: 4,323,077.09
Step by Step Solution
- Step 1: Write the proportion equation
3,835,110.42 : 5,288,160.96 = 3,135,206.76 : x - Step 2: Convert to fraction form
3,835,110.42/5,288,160.96 = 3,135,206.76/x - Step 3: Cross multiply
3,835,110.42x = 5,288,160.96 × 3,135,206.76 - Step 4: Simplify right side
3,835,110.42x = 16,579,477,989,760.09 - Step 5: Solve for x
x = 16,579,477,989,760.09/3,835,110.42 - Step 6: Final answer
x = 4,323,077.09
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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.