Finding the Fourth Proportional to 2,100,613.12, 2,898,831.36 and 1,146,757.12
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Solution
The fourth proportional to 2,100,613.12, 2,898,831.36 and 1,146,757.12 is: 1,582,516.78
Step by Step Solution
- Step 1: Write the proportion equation
2,100,613.12 : 2,898,831.36 = 1,146,757.12 : x - Step 2: Convert to fraction form
2,100,613.12/2,898,831.36 = 1,146,757.12/x - Step 3: Cross multiply
2,100,613.12x = 2,898,831.36 × 1,146,757.12 - Step 4: Simplify right side
2,100,613.12x = 3,324,255,501,759.28 - Step 5: Solve for x
x = 3,324,255,501,759.28/2,100,613.12 - Step 6: Final answer
x = 1,582,516.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.