Finding the Fourth Proportional to 1,686,629.49, 2,327,603.70 and 922,683.06
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Solution
The fourth proportional to 1,686,629.49, 2,327,603.70 and 922,683.06 is: 1,273,332.71
Step by Step Solution
- Step 1: Write the proportion equation
1,686,629.49 : 2,327,603.70 = 922,683.06 : x - Step 2: Convert to fraction form
1,686,629.49/2,327,603.70 = 922,683.06/x - Step 3: Cross multiply
1,686,629.49x = 2,327,603.70 × 922,683.06 - Step 4: Simplify right side
1,686,629.49x = 2,147,640,504,383.32 - Step 5: Solve for x
x = 2,147,640,504,383.32/1,686,629.49 - Step 6: Final answer
x = 1,273,332.71
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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.