Finding the Fourth Proportional to 1,538,134.98, 2,305,686.14 and 540,163.14
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Solution
The fourth proportional to 1,538,134.98, 2,305,686.14 and 540,163.14 is: 809,712.20
Step by Step Solution
- Step 1: Write the proportion equation
1,538,134.98 : 2,305,686.14 = 540,163.14 : x - Step 2: Convert to fraction form
1,538,134.98/2,305,686.14 = 540,163.14/x - Step 3: Cross multiply
1,538,134.98x = 2,305,686.14 × 540,163.14 - Step 4: Simplify right side
1,538,134.98x = 1,245,446,665,236.88 - Step 5: Solve for x
x = 1,245,446,665,236.88/1,538,134.98 - Step 6: Final answer
x = 809,712.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.