Finding the Fourth Proportional to 6,512,757.68, 9,767,765.09 and 4,200,324.12
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Solution
The fourth proportional to 6,512,757.68, 9,767,765.09 and 4,200,324.12 is: 6,299,601.69
Step by Step Solution
- Step 1: Write the proportion equation
6,512,757.68 : 9,767,765.09 = 4,200,324.12 : x - Step 2: Convert to fraction form
6,512,757.68/9,767,765.09 = 4,200,324.12/x - Step 3: Cross multiply
6,512,757.68x = 9,767,765.09 × 4,200,324.12 - Step 4: Simplify right side
6,512,757.68x = 41,027,779,285,019.35 - Step 5: Solve for x
x = 41,027,779,285,019.35/6,512,757.68 - Step 6: Final answer
x = 6,299,601.69
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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.