Finding the Fourth Proportional to 3,622,220.80, 5,431,362.90 and 1,224,831.40
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Solution
The fourth proportional to 3,622,220.80, 5,431,362.90 and 1,224,831.40 is: 1,836,581.53
Step by Step Solution
- Step 1: Write the proportion equation
3,622,220.80 : 5,431,362.90 = 1,224,831.40 : x - Step 2: Convert to fraction form
3,622,220.80/5,431,362.90 = 1,224,831.40/x - Step 3: Cross multiply
3,622,220.80x = 5,431,362.90 × 1,224,831.40 - Step 4: Simplify right side
3,622,220.80x = 6,652,503,824,715.06 - Step 5: Solve for x
x = 6,652,503,824,715.06/3,622,220.80 - Step 6: Final answer
x = 1,836,581.53
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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.