Finding the Fourth Proportional to 5,515,403.56, 8,273,107.76 and 1,729,181.68
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Solution
The fourth proportional to 5,515,403.56, 8,273,107.76 and 1,729,181.68 is: 2,593,773.28
Step by Step Solution
- Step 1: Write the proportion equation
5,515,403.56 : 8,273,107.76 = 1,729,181.68 : x - Step 2: Convert to fraction form
5,515,403.56/8,273,107.76 = 1,729,181.68/x - Step 3: Cross multiply
5,515,403.56x = 8,273,107.76 × 1,729,181.68 - Step 4: Simplify right side
5,515,403.56x = 14,305,706,375,257.84 - Step 5: Solve for x
x = 14,305,706,375,257.84/5,515,403.56 - Step 6: Final answer
x = 2,593,773.28
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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.