Finding the Fourth Proportional to 5,515,419.06, 8,273,131.02 and 1,729,197.18
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Solution
The fourth proportional to 5,515,419.06, 8,273,131.02 and 1,729,197.18 is: 2,593,796.53
Step by Step Solution
- Step 1: Write the proportion equation
5,515,419.06 : 8,273,131.02 = 1,729,197.18 : x - Step 2: Convert to fraction form
5,515,419.06/8,273,131.02 = 1,729,197.18/x - Step 3: Cross multiply
5,515,419.06x = 8,273,131.02 × 1,729,197.18 - Step 4: Simplify right side
5,515,419.06x = 14,305,874,829,554.52 - Step 5: Solve for x
x = 14,305,874,829,554.52/5,515,419.06 - Step 6: Final answer
x = 2,593,796.53
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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.