Finding the Fourth Proportional to 1,621,277.09, 2,237,323.36 and 886,198.38
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Solution
The fourth proportional to 1,621,277.09, 2,237,323.36 and 886,198.38 is: 1,222,932.43
Step by Step Solution
- Step 1: Write the proportion equation
1,621,277.09 : 2,237,323.36 = 886,198.38 : x - Step 2: Convert to fraction form
1,621,277.09/2,237,323.36 = 886,198.38/x - Step 3: Cross multiply
1,621,277.09x = 2,237,323.36 × 886,198.38 - Step 4: Simplify right side
1,621,277.09x = 1,982,712,337,168.16 - Step 5: Solve for x
x = 1,982,712,337,168.16/1,621,277.09 - Step 6: Final answer
x = 1,222,932.43
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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.