Finding the Fourth Proportional to 1,976,536.96, 2,727,601.91 and 1,105,361.99
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Solution
The fourth proportional to 1,976,536.96, 2,727,601.91 and 1,105,361.99 is: 1,525,388.88
Step by Step Solution
- Step 1: Write the proportion equation
1,976,536.96 : 2,727,601.91 = 1,105,361.99 : x - Step 2: Convert to fraction form
1,976,536.96/2,727,601.91 = 1,105,361.99/x - Step 3: Cross multiply
1,976,536.96x = 2,727,601.91 × 1,105,361.99 - Step 4: Simplify right side
1,976,536.96x = 3,014,987,491,934.62 - Step 5: Solve for x
x = 3,014,987,491,934.62/1,976,536.96 - Step 6: Final answer
x = 1,525,388.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.