Finding the Fourth Proportional to 7,544,649.20, 11,317,779.60 and 3,227,146.08
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Solution
The fourth proportional to 7,544,649.20, 11,317,779.60 and 3,227,146.08 is: 4,841,063.79
Step by Step Solution
- Step 1: Write the proportion equation
7,544,649.20 : 11,317,779.60 = 3,227,146.08 : x - Step 2: Convert to fraction form
7,544,649.20/11,317,779.60 = 3,227,146.08/x - Step 3: Cross multiply
7,544,649.20x = 11,317,779.60 × 3,227,146.08 - Step 4: Simplify right side
7,544,649.20x = 36,524,128,070,443.97 - Step 5: Solve for x
x = 36,524,128,070,443.97/7,544,649.20 - Step 6: Final answer
x = 4,841,063.79
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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.