Finding the Fourth Proportional to 3,726,649.80, 5,589,974.70 and 1,330,572.60
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Solution
The fourth proportional to 3,726,649.80, 5,589,974.70 and 1,330,572.60 is: 1,995,858.90
Step by Step Solution
- Step 1: Write the proportion equation
3,726,649.80 : 5,589,974.70 = 1,330,572.60 : x - Step 2: Convert to fraction form
3,726,649.80/5,589,974.70 = 1,330,572.60/x - Step 3: Cross multiply
3,726,649.80x = 5,589,974.70 × 1,330,572.60 - Step 4: Simplify right side
3,726,649.80x = 7,437,867,170,513.22 - Step 5: Solve for x
x = 7,437,867,170,513.22/3,726,649.80 - Step 6: Final answer
x = 1,995,858.90
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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.