Finding the Fourth Proportional to 4,077,890.68, 6,117,105.75 and 1,199,514.99
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Solution
The fourth proportional to 4,077,890.68, 6,117,105.75 and 1,199,514.99 is: 1,799,351.83
Step by Step Solution
- Step 1: Write the proportion equation
4,077,890.68 : 6,117,105.75 = 1,199,514.99 : x - Step 2: Convert to fraction form
4,077,890.68/6,117,105.75 = 1,199,514.99/x - Step 3: Cross multiply
4,077,890.68x = 6,117,105.75 × 1,199,514.99 - Step 4: Simplify right side
4,077,890.68x = 7,337,560,042,540.19 - Step 5: Solve for x
x = 7,337,560,042,540.19/4,077,890.68 - Step 6: Final answer
x = 1,799,351.83
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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.