Finding the Fourth Proportional to 5,255,231.20, 7,884,013.20 and 2,414,658.40
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Solution
The fourth proportional to 5,255,231.20, 7,884,013.20 and 2,414,658.40 is: 3,622,523.53
Step by Step Solution
- Step 1: Write the proportion equation
5,255,231.20 : 7,884,013.20 = 2,414,658.40 : x - Step 2: Convert to fraction form
5,255,231.20/7,884,013.20 = 2,414,658.40/x - Step 3: Cross multiply
5,255,231.20x = 7,884,013.20 × 2,414,658.40 - Step 4: Simplify right side
5,255,231.20x = 19,037,198,699,090.88 - Step 5: Solve for x
x = 19,037,198,699,090.88/5,255,231.20 - Step 6: Final answer
x = 3,622,523.53
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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.