Finding the Fourth Proportional to 4,914,772.91, 6,782,418.09 and 2,739,453.99
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Solution
The fourth proportional to 4,914,772.91, 6,782,418.09 and 2,739,453.99 is: 3,780,464.05
Step by Step Solution
- Step 1: Write the proportion equation
4,914,772.91 : 6,782,418.09 = 2,739,453.99 : x - Step 2: Convert to fraction form
4,914,772.91/6,782,418.09 = 2,739,453.99/x - Step 3: Cross multiply
4,914,772.91x = 6,782,418.09 × 2,739,453.99 - Step 4: Simplify right side
4,914,772.91x = 18,580,122,273,064.61 - Step 5: Solve for x
x = 18,580,122,273,064.61/4,914,772.91 - Step 6: Final answer
x = 3,780,464.05
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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.