Finding the Fourth Proportional to 1,682,062.08, 2,321,289.60 and 918,186.24
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Solution
The fourth proportional to 1,682,062.08, 2,321,289.60 and 918,186.24 is: 1,267,120.99
Step by Step Solution
- Step 1: Write the proportion equation
1,682,062.08 : 2,321,289.60 = 918,186.24 : x - Step 2: Convert to fraction form
1,682,062.08/2,321,289.60 = 918,186.24/x - Step 3: Cross multiply
1,682,062.08x = 2,321,289.60 × 918,186.24 - Step 4: Simplify right side
1,682,062.08x = 2,131,376,169,775.10 - Step 5: Solve for x
x = 2,131,376,169,775.10/1,682,062.08 - Step 6: Final answer
x = 1,267,120.99
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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.