Finding the Fourth Proportional to 1,681,785.09, 2,320,557.83 and 993,568.99
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Solution
The fourth proportional to 1,681,785.09, 2,320,557.83 and 993,568.99 is: 1,370,944.67
Step by Step Solution
- Step 1: Write the proportion equation
1,681,785.09 : 2,320,557.83 = 993,568.99 : x - Step 2: Convert to fraction form
1,681,785.09/2,320,557.83 = 993,568.99/x - Step 3: Cross multiply
1,681,785.09x = 2,320,557.83 × 993,568.99 - Step 4: Simplify right side
1,681,785.09x = 2,305,634,299,389.69 - Step 5: Solve for x
x = 2,305,634,299,389.69/1,681,785.09 - Step 6: Final answer
x = 1,370,944.67
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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.