Finding the Fourth Proportional to 1,515,644.26, 2,091,589.26 and 836,580.94
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Solution
The fourth proportional to 1,515,644.26, 2,091,589.26 and 836,580.94 is: 1,154,481.80
Step by Step Solution
- Step 1: Write the proportion equation
1,515,644.26 : 2,091,589.26 = 836,580.94 : x - Step 2: Convert to fraction form
1,515,644.26/2,091,589.26 = 836,580.94/x - Step 3: Cross multiply
1,515,644.26x = 2,091,589.26 × 836,580.94 - Step 4: Simplify right side
1,515,644.26x = 1,749,783,709,224.70 - Step 5: Solve for x
x = 1,749,783,709,224.70/1,515,644.26 - Step 6: Final answer
x = 1,154,481.80
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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.