Finding the Fourth Proportional to 1,324,121.40, 1,983,523.68 and 1,120,847.04
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Solution
The fourth proportional to 1,324,121.40, 1,983,523.68 and 1,120,847.04 is: 1,679,020.25
Step by Step Solution
- Step 1: Write the proportion equation
1,324,121.40 : 1,983,523.68 = 1,120,847.04 : x - Step 2: Convert to fraction form
1,324,121.40/1,983,523.68 = 1,120,847.04/x - Step 3: Cross multiply
1,324,121.40x = 1,983,523.68 × 1,120,847.04 - Step 4: Simplify right side
1,324,121.40x = 2,223,226,645,497.91 - Step 5: Solve for x
x = 2,223,226,645,497.91/1,324,121.40 - Step 6: Final answer
x = 1,679,020.25
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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.