Finding the Fourth Proportional to 1,984,527.70, 2,738,316.26 and 1,168,893.79
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Solution
The fourth proportional to 1,984,527.70, 2,738,316.26 and 1,168,893.79 is: 1,612,877.90
Step by Step Solution
- Step 1: Write the proportion equation
1,984,527.70 : 2,738,316.26 = 1,168,893.79 : x - Step 2: Convert to fraction form
1,984,527.70/2,738,316.26 = 1,168,893.79/x - Step 3: Cross multiply
1,984,527.70x = 2,738,316.26 × 1,168,893.79 - Step 4: Simplify right side
1,984,527.70x = 3,200,800,851,833.97 - Step 5: Solve for x
x = 3,200,800,851,833.97/1,984,527.70 - Step 6: Final answer
x = 1,612,877.90
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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.