Finding the Fourth Proportional to 3,635,860.87, 5,452,516.09 and 1,994,208.49
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Solution
The fourth proportional to 3,635,860.87, 5,452,516.09 and 1,994,208.49 is: 2,990,613.30
Step by Step Solution
- Step 1: Write the proportion equation
3,635,860.87 : 5,452,516.09 = 1,994,208.49 : x - Step 2: Convert to fraction form
3,635,860.87/5,452,516.09 = 1,994,208.49/x - Step 3: Cross multiply
3,635,860.87x = 5,452,516.09 × 1,994,208.49 - Step 4: Simplify right side
3,635,860.87x = 10,873,453,878,539.60 - Step 5: Solve for x
x = 10,873,453,878,539.60/3,635,860.87 - Step 6: Final answer
x = 2,990,613.30
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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.