Finding the Fourth Proportional to 1,651,174.56, 2,279,269.80 and 1,107,112.14
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Solution
The fourth proportional to 1,651,174.56, 2,279,269.80 and 1,107,112.14 is: 1,528,249.85
Step by Step Solution
- Step 1: Write the proportion equation
1,651,174.56 : 2,279,269.80 = 1,107,112.14 : x - Step 2: Convert to fraction form
1,651,174.56/2,279,269.80 = 1,107,112.14/x - Step 3: Cross multiply
1,651,174.56x = 2,279,269.80 × 1,107,112.14 - Step 4: Simplify right side
1,651,174.56x = 2,523,407,265,915.37 - Step 5: Solve for x
x = 2,523,407,265,915.37/1,651,174.56 - Step 6: Final answer
x = 1,528,249.85
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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.