Finding the Fourth Proportional to 1,968,791.75, 2,717,533.11 and 1,142,074.23
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Solution
The fourth proportional to 1,968,791.75, 2,717,533.11 and 1,142,074.23 is: 1,576,410.77
Step by Step Solution
- Step 1: Write the proportion equation
1,968,791.75 : 2,717,533.11 = 1,142,074.23 : x - Step 2: Convert to fraction form
1,968,791.75/2,717,533.11 = 1,142,074.23/x - Step 3: Cross multiply
1,968,791.75x = 2,717,533.11 × 1,142,074.23 - Step 4: Simplify right side
1,968,791.75x = 3,103,624,514,804.72 - Step 5: Solve for x
x = 3,103,624,514,804.72/1,968,791.75 - Step 6: Final answer
x = 1,576,410.77
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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.