Finding the Fourth Proportional to 3,896,349.60, 5,373,480.96 and 2,446,180.14
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Solution
The fourth proportional to 3,896,349.60, 5,373,480.96 and 2,446,180.14 is: 3,373,542.87
Step by Step Solution
- Step 1: Write the proportion equation
3,896,349.60 : 5,373,480.96 = 2,446,180.14 : x - Step 2: Convert to fraction form
3,896,349.60/5,373,480.96 = 2,446,180.14/x - Step 3: Cross multiply
3,896,349.60x = 5,373,480.96 × 2,446,180.14 - Step 4: Simplify right side
3,896,349.60x = 13,144,502,407,020.13 - Step 5: Solve for x
x = 13,144,502,407,020.13/3,896,349.60 - Step 6: Final answer
x = 3,373,542.87
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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.