Finding the Fourth Proportional to 1,678,450.45, 2,517,693.12 and 1,343,619.53
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Solution
The fourth proportional to 1,678,450.45, 2,517,693.12 and 1,343,619.53 is: 2,015,443.27
Step by Step Solution
- Step 1: Write the proportion equation
1,678,450.45 : 2,517,693.12 = 1,343,619.53 : x - Step 2: Convert to fraction form
1,678,450.45/2,517,693.12 = 1,343,619.53/x - Step 3: Cross multiply
1,678,450.45x = 2,517,693.12 × 1,343,619.53 - Step 4: Simplify right side
1,678,450.45x = 3,382,821,652,872.87 - Step 5: Solve for x
x = 3,382,821,652,872.87/1,678,450.45 - Step 6: Final answer
x = 2,015,443.27
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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.