Finding the Fourth Proportional to 1,828,984.21, 2,743,861.41 and 691,720.97
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Solution
The fourth proportional to 1,828,984.21, 2,743,861.41 and 691,720.97 is: 1,037,727.09
Step by Step Solution
- Step 1: Write the proportion equation
1,828,984.21 : 2,743,861.41 = 691,720.97 : x - Step 2: Convert to fraction form
1,828,984.21/2,743,861.41 = 691,720.97/x - Step 3: Cross multiply
1,828,984.21x = 2,743,861.41 × 691,720.97 - Step 4: Simplify right side
1,828,984.21x = 1,897,986,462,351.46 - Step 5: Solve for x
x = 1,897,986,462,351.46/1,828,984.21 - Step 6: Final answer
x = 1,037,727.09
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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.