Finding the Fourth Proportional to 1,682,405.13, 2,321,707.26 and 918,458.69
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Solution
The fourth proportional to 1,682,405.13, 2,321,707.26 and 918,458.69 is: 1,267,466.53
Step by Step Solution
- Step 1: Write the proportion equation
1,682,405.13 : 2,321,707.26 = 918,458.69 : x - Step 2: Convert to fraction form
1,682,405.13/2,321,707.26 = 918,458.69/x - Step 3: Cross multiply
1,682,405.13x = 2,321,707.26 × 918,458.69 - Step 4: Simplify right side
1,682,405.13x = 2,132,392,196,974.55 - Step 5: Solve for x
x = 2,132,392,196,974.55/1,682,405.13 - Step 6: Final answer
x = 1,267,466.53
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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.