Finding the Fourth Proportional to 3,811,349.09, 5,259,699.56 and 2,069,032.01
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Solution
The fourth proportional to 3,811,349.09, 5,259,699.56 and 2,069,032.01 is: 2,855,284.70
Step by Step Solution
- Step 1: Write the proportion equation
3,811,349.09 : 5,259,699.56 = 2,069,032.01 : x - Step 2: Convert to fraction form
3,811,349.09/5,259,699.56 = 2,069,032.01/x - Step 3: Cross multiply
3,811,349.09x = 5,259,699.56 × 2,069,032.01 - Step 4: Simplify right side
3,811,349.09x = 10,882,486,731,497.00 - Step 5: Solve for x
x = 10,882,486,731,497.00/3,811,349.09 - Step 6: Final answer
x = 2,855,284.70
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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.