Finding the Fourth Proportional to 5,144,079.11, 7,714,542.81 and 3,556,841.99
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Solution
The fourth proportional to 5,144,079.11, 7,714,542.81 and 3,556,841.99 is: 5,334,173.37
Step by Step Solution
- Step 1: Write the proportion equation
5,144,079.11 : 7,714,542.81 = 3,556,841.99 : x - Step 2: Convert to fraction form
5,144,079.11/7,714,542.81 = 3,556,841.99/x - Step 3: Cross multiply
5,144,079.11x = 7,714,542.81 × 3,556,841.99 - Step 4: Simplify right side
5,144,079.11x = 27,439,409,800,260.59 - Step 5: Solve for x
x = 27,439,409,800,260.59/5,144,079.11 - Step 6: Final answer
x = 5,334,173.37
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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.