Finding the Fourth Proportional to 4,186,559.49, 6,279,821.66 and 1,629,557.60
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Solution
The fourth proportional to 4,186,559.49, 6,279,821.66 and 1,629,557.60 is: 2,444,329.55
Step by Step Solution
- Step 1: Write the proportion equation
4,186,559.49 : 6,279,821.66 = 1,629,557.60 : x - Step 2: Convert to fraction form
4,186,559.49/6,279,821.66 = 1,629,557.60/x - Step 3: Cross multiply
4,186,559.49x = 6,279,821.66 × 1,629,557.60 - Step 4: Simplify right side
4,186,559.49x = 10,233,331,073,150.72 - Step 5: Solve for x
x = 10,233,331,073,150.72/4,186,559.49 - Step 6: Final answer
x = 2,444,329.55
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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.