Finding the Fourth Proportional to 5,093,419.30, 7,028,771.99 and 2,801,579.98
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Solution
The fourth proportional to 5,093,419.30, 7,028,771.99 and 2,801,579.98 is: 3,866,099.71
Step by Step Solution
- Step 1: Write the proportion equation
5,093,419.30 : 7,028,771.99 = 2,801,579.98 : x - Step 2: Convert to fraction form
5,093,419.30/7,028,771.99 = 2,801,579.98/x - Step 3: Cross multiply
5,093,419.30x = 7,028,771.99 × 2,801,579.98 - Step 4: Simplify right side
5,093,419.30x = 19,691,666,891,168.76 - Step 5: Solve for x
x = 19,691,666,891,168.76/5,093,419.30 - Step 6: Final answer
x = 3,866,099.71
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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.