Finding the Fourth Proportional to 3,961,361.79, 5,464,445.15 and 2,307,313.96
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Solution
The fourth proportional to 3,961,361.79, 5,464,445.15 and 2,307,313.96 is: 3,182,791.99
Step by Step Solution
- Step 1: Write the proportion equation
3,961,361.79 : 5,464,445.15 = 2,307,313.96 : x - Step 2: Convert to fraction form
3,961,361.79/5,464,445.15 = 2,307,313.96/x - Step 3: Cross multiply
3,961,361.79x = 5,464,445.15 × 2,307,313.96 - Step 4: Simplify right side
3,961,361.79x = 12,608,190,570,356.46 - Step 5: Solve for x
x = 12,608,190,570,356.46/3,961,361.79 - Step 6: Final answer
x = 3,182,791.99
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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.