Finding the Fourth Proportional to 4,914,772.92, 6,782,418.09 and 2,739,453.98
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Solution
The fourth proportional to 4,914,772.92, 6,782,418.09 and 2,739,453.98 is: 3,780,464.02
Step by Step Solution
- Step 1: Write the proportion equation
4,914,772.92 : 6,782,418.09 = 2,739,453.98 : x - Step 2: Convert to fraction form
4,914,772.92/6,782,418.09 = 2,739,453.98/x - Step 3: Cross multiply
4,914,772.92x = 6,782,418.09 × 2,739,453.98 - Step 4: Simplify right side
4,914,772.92x = 18,580,122,196,762.41 - Step 5: Solve for x
x = 18,580,122,196,762.41/4,914,772.92 - Step 6: Final answer
x = 3,780,464.02
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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.