Finding the Fourth Proportional to 3,578,458.98, 5,368,187.41 and 1,149,685.88
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Solution
The fourth proportional to 3,578,458.98, 5,368,187.41 and 1,149,685.88 is: 1,724,689.11
Step by Step Solution
- Step 1: Write the proportion equation
3,578,458.98 : 5,368,187.41 = 1,149,685.88 : x - Step 2: Convert to fraction form
3,578,458.98/5,368,187.41 = 1,149,685.88/x - Step 3: Cross multiply
3,578,458.98x = 5,368,187.41 × 1,149,685.88 - Step 4: Simplify right side
3,578,458.98x = 6,171,729,236,755.62 - Step 5: Solve for x
x = 6,171,729,236,755.62/3,578,458.98 - Step 6: Final answer
x = 1,724,689.11
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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.