Finding the Fourth Proportional to 5,757,586.05, 8,633,491.20 and 1,918,058.60
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Solution
The fourth proportional to 5,757,586.05, 8,633,491.20 and 1,918,058.60 is: 2,876,125.86
Step by Step Solution
- Step 1: Write the proportion equation
5,757,586.05 : 8,633,491.20 = 1,918,058.60 : x - Step 2: Convert to fraction form
5,757,586.05/8,633,491.20 = 1,918,058.60/x - Step 3: Cross multiply
5,757,586.05x = 8,633,491.20 × 1,918,058.60 - Step 4: Simplify right side
5,757,586.05x = 16,559,542,093,419.36 - Step 5: Solve for x
x = 16,559,542,093,419.36/5,757,586.05 - Step 6: Final answer
x = 2,876,125.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.