Finding the Fourth Proportional to 3,479,649.80, 5,219,474.70 and 3,114,696.20
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Solution
The fourth proportional to 3,479,649.80, 5,219,474.70 and 3,114,696.20 is: 4,672,044.30
Step by Step Solution
- Step 1: Write the proportion equation
3,479,649.80 : 5,219,474.70 = 3,114,696.20 : x - Step 2: Convert to fraction form
3,479,649.80/5,219,474.70 = 3,114,696.20/x - Step 3: Cross multiply
3,479,649.80x = 5,219,474.70 × 3,114,696.20 - Step 4: Simplify right side
3,479,649.80x = 16,257,078,014,086.14 - Step 5: Solve for x
x = 16,257,078,014,086.14/3,479,649.80 - Step 6: Final answer
x = 4,672,044.30
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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.