Finding the Fourth Proportional to 4,135,087.20, 6,198,022.80 and 1,609,903.20
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Solution
The fourth proportional to 4,135,087.20, 6,198,022.80 and 1,609,903.20 is: 2,413,060.78
Step by Step Solution
- Step 1: Write the proportion equation
4,135,087.20 : 6,198,022.80 = 1,609,903.20 : x - Step 2: Convert to fraction form
4,135,087.20/6,198,022.80 = 1,609,903.20/x - Step 3: Cross multiply
4,135,087.20x = 6,198,022.80 × 1,609,903.20 - Step 4: Simplify right side
4,135,087.20x = 9,978,216,739,392.96 - Step 5: Solve for x
x = 9,978,216,739,392.96/4,135,087.20 - Step 6: Final answer
x = 2,413,060.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.