Finding the Fourth Proportional to 3,279,629.70, 4,920,673.35 and 1,286,516.10
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Solution
The fourth proportional to 3,279,629.70, 4,920,673.35 and 1,286,516.10 is: 1,930,256.18
Step by Step Solution
- Step 1: Write the proportion equation
3,279,629.70 : 4,920,673.35 = 1,286,516.10 : x - Step 2: Convert to fraction form
3,279,629.70/4,920,673.35 = 1,286,516.10/x - Step 3: Cross multiply
3,279,629.70x = 4,920,673.35 × 1,286,516.10 - Step 4: Simplify right side
3,279,629.70x = 6,330,525,487,615.94 - Step 5: Solve for x
x = 6,330,525,487,615.94/3,279,629.70 - Step 6: Final answer
x = 1,930,256.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.