Finding the Fourth Proportional to 3,516,557.20, 5,274,317.40 and 992,467.60
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Solution
The fourth proportional to 3,516,557.20, 5,274,317.40 and 992,467.60 is: 1,488,555.09
Step by Step Solution
- Step 1: Write the proportion equation
3,516,557.20 : 5,274,317.40 = 992,467.60 : x - Step 2: Convert to fraction form
3,516,557.20/5,274,317.40 = 992,467.60/x - Step 3: Cross multiply
3,516,557.20x = 5,274,317.40 × 992,467.60 - Step 4: Simplify right side
3,516,557.20x = 5,234,589,131,616.24 - Step 5: Solve for x
x = 5,234,589,131,616.24/3,516,557.20 - Step 6: Final answer
x = 1,488,555.09
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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.