Finding the Fourth Proportional to 1,603,685.62, 2,405,806.35 and 538,831.54
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Solution
The fourth proportional to 1,603,685.62, 2,405,806.35 and 538,831.54 is: 808,340.69
Step by Step Solution
- Step 1: Write the proportion equation
1,603,685.62 : 2,405,806.35 = 538,831.54 : x - Step 2: Convert to fraction form
1,603,685.62/2,405,806.35 = 538,831.54/x - Step 3: Cross multiply
1,603,685.62x = 2,405,806.35 × 538,831.54 - Step 4: Simplify right side
1,603,685.62x = 1,296,324,340,512.28 - Step 5: Solve for x
x = 1,296,324,340,512.28/1,603,685.62 - Step 6: Final answer
x = 808,340.69
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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.