Finding the Fourth Proportional to 3,577,555.20, 5,364,489.60 and 1,332,537.60
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Solution
The fourth proportional to 3,577,555.20, 5,364,489.60 and 1,332,537.60 is: 1,998,119.86
Step by Step Solution
- Step 1: Write the proportion equation
3,577,555.20 : 5,364,489.60 = 1,332,537.60 : x - Step 2: Convert to fraction form
3,577,555.20/5,364,489.60 = 1,332,537.60/x - Step 3: Cross multiply
3,577,555.20x = 5,364,489.60 × 1,332,537.60 - Step 4: Simplify right side
3,577,555.20x = 7,148,384,096,808.96 - Step 5: Solve for x
x = 7,148,384,096,808.96/3,577,555.20 - Step 6: Final answer
x = 1,998,119.86
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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.