Finding the Fourth Proportional to 5,558,757.48, 8,321,910.30 and 3,422,431.08
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Solution
The fourth proportional to 5,558,757.48, 8,321,910.30 and 3,422,431.08 is: 5,123,656.60
Step by Step Solution
- Step 1: Write the proportion equation
5,558,757.48 : 8,321,910.30 = 3,422,431.08 : x - Step 2: Convert to fraction form
5,558,757.48/8,321,910.30 = 3,422,431.08/x - Step 3: Cross multiply
5,558,757.48x = 8,321,910.30 × 3,422,431.08 - Step 4: Simplify right side
5,558,757.48x = 28,481,164,455,692.12 - Step 5: Solve for x
x = 28,481,164,455,692.12/5,558,757.48 - Step 6: Final answer
x = 5,123,656.60
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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.