Finding the Fourth Proportional to 3,990,433.68, 5,986,536.12 and 1,150,324.20
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Solution
The fourth proportional to 3,990,433.68, 5,986,536.12 and 1,150,324.20 is: 1,725,741.59
Step by Step Solution
- Step 1: Write the proportion equation
3,990,433.68 : 5,986,536.12 = 1,150,324.20 : x - Step 2: Convert to fraction form
3,990,433.68/5,986,536.12 = 1,150,324.20/x - Step 3: Cross multiply
3,990,433.68x = 5,986,536.12 × 1,150,324.20 - Step 4: Simplify right side
3,990,433.68x = 6,886,457,373,010.10 - Step 5: Solve for x
x = 6,886,457,373,010.10/3,990,433.68 - Step 6: Final answer
x = 1,725,741.59
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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.