Finding the Fourth Proportional to 2,361,928.42, 3,258,338.64 and 1,394,410.54
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Solution
The fourth proportional to 2,361,928.42, 3,258,338.64 and 1,394,410.54 is: 1,923,623.81
Step by Step Solution
- Step 1: Write the proportion equation
2,361,928.42 : 3,258,338.64 = 1,394,410.54 : x - Step 2: Convert to fraction form
2,361,928.42/3,258,338.64 = 1,394,410.54/x - Step 3: Cross multiply
2,361,928.42x = 3,258,338.64 × 1,394,410.54 - Step 4: Simplify right side
2,361,928.42x = 4,543,461,742,505.27 - Step 5: Solve for x
x = 4,543,461,742,505.27/2,361,928.42 - Step 6: Final answer
x = 1,923,623.81
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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.