Finding the Fourth Proportional to 2,539,371.09, 3,809,831.68 and 810,194.94
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Solution
The fourth proportional to 2,539,371.09, 3,809,831.68 and 810,194.94 is: 1,215,539.69
Step by Step Solution
- Step 1: Write the proportion equation
2,539,371.09 : 3,809,831.68 = 810,194.94 : x - Step 2: Convert to fraction form
2,539,371.09/3,809,831.68 = 810,194.94/x - Step 3: Cross multiply
2,539,371.09x = 3,809,831.68 × 810,194.94 - Step 4: Simplify right side
2,539,371.09x = 3,086,706,350,400.44 - Step 5: Solve for x
x = 3,086,706,350,400.44/2,539,371.09 - Step 6: Final answer
x = 1,215,539.69
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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.