Finding the Fourth Proportional to 4,128,162.57, 6,189,790.73 and 1,569,564.86
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Solution
The fourth proportional to 4,128,162.57, 6,189,790.73 and 1,569,564.86 is: 2,353,414.58
Step by Step Solution
- Step 1: Write the proportion equation
4,128,162.57 : 6,189,790.73 = 1,569,564.86 : x - Step 2: Convert to fraction form
4,128,162.57/6,189,790.73 = 1,569,564.86/x - Step 3: Cross multiply
4,128,162.57x = 6,189,790.73 × 1,569,564.86 - Step 4: Simplify right side
4,128,162.57x = 9,715,277,981,764.97 - Step 5: Solve for x
x = 9,715,277,981,764.97/4,128,162.57 - Step 6: Final answer
x = 2,353,414.58
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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.