Finding the Fourth Proportional to 3,054,791.14, 4,215,475.40 and 1,831,771.53
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Solution
The fourth proportional to 3,054,791.14, 4,215,475.40 and 1,831,771.53 is: 2,527,762.94
Step by Step Solution
- Step 1: Write the proportion equation
3,054,791.14 : 4,215,475.40 = 1,831,771.53 : x - Step 2: Convert to fraction form
3,054,791.14/4,215,475.40 = 1,831,771.53/x - Step 3: Cross multiply
3,054,791.14x = 4,215,475.40 × 1,831,771.53 - Step 4: Simplify right side
3,054,791.14x = 7,721,787,823,135.36 - Step 5: Solve for x
x = 7,721,787,823,135.36/3,054,791.14 - Step 6: Final answer
x = 2,527,762.94
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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.