Finding the Fourth Proportional to 2,151,831.56, 2,969,536.02 and 1,292,406.44
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Solution
The fourth proportional to 2,151,831.56, 2,969,536.02 and 1,292,406.44 is: 1,783,525.97
Step by Step Solution
- Step 1: Write the proportion equation
2,151,831.56 : 2,969,536.02 = 1,292,406.44 : x - Step 2: Convert to fraction form
2,151,831.56/2,969,536.02 = 1,292,406.44/x - Step 3: Cross multiply
2,151,831.56x = 2,969,536.02 × 1,292,406.44 - Step 4: Simplify right side
2,151,831.56x = 3,837,847,476,059.97 - Step 5: Solve for x
x = 3,837,847,476,059.97/2,151,831.56 - Step 6: Final answer
x = 1,783,525.97
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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.