Finding the Fourth Proportional to 3,770,537.18, 5,203,403.49 and 2,051,666.42
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Solution
The fourth proportional to 3,770,537.18, 5,203,403.49 and 2,051,666.42 is: 2,831,333.49
Step by Step Solution
- Step 1: Write the proportion equation
3,770,537.18 : 5,203,403.49 = 2,051,666.42 : x - Step 2: Convert to fraction form
3,770,537.18/5,203,403.49 = 2,051,666.42/x - Step 3: Cross multiply
3,770,537.18x = 5,203,403.49 × 2,051,666.42 - Step 4: Simplify right side
3,770,537.18x = 10,675,648,210,143.81 - Step 5: Solve for x
x = 10,675,648,210,143.81/3,770,537.18 - Step 6: Final answer
x = 2,831,333.49
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1.5x scale
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.