Finding the Fourth Proportional to 3,015,331.41, 4,519,291.56 and 1,393,906.99
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Solution
The fourth proportional to 3,015,331.41, 4,519,291.56 and 1,393,906.99 is: 2,089,147.51
Step by Step Solution
- Step 1: Write the proportion equation
3,015,331.41 : 4,519,291.56 = 1,393,906.99 : x - Step 2: Convert to fraction form
3,015,331.41/4,519,291.56 = 1,393,906.99/x - Step 3: Cross multiply
3,015,331.41x = 4,519,291.56 × 1,393,906.99 - Step 4: Simplify right side
3,015,331.41x = 6,299,472,106,841.22 - Step 5: Solve for x
x = 6,299,472,106,841.22/3,015,331.41 - Step 6: Final answer
x = 2,089,147.51
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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.