Finding the Fourth Proportional to 5,548,942.49, 8,323,226.12 and 1,954,615.51
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Solution
The fourth proportional to 5,548,942.49, 8,323,226.12 and 1,954,615.51 is: 2,931,857.18
Step by Step Solution
- Step 1: Write the proportion equation
5,548,942.49 : 8,323,226.12 = 1,954,615.51 : x - Step 2: Convert to fraction form
5,548,942.49/8,323,226.12 = 1,954,615.51/x - Step 3: Cross multiply
5,548,942.49x = 8,323,226.12 × 1,954,615.51 - Step 4: Simplify right side
5,548,942.49x = 16,268,706,867,389.12 - Step 5: Solve for x
x = 16,268,706,867,389.12/5,548,942.49 - Step 6: Final answer
x = 2,931,857.18
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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.