Finding the Fourth Proportional to 5,450,513.80, 8,173,802.40 and 2,753,942.80
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Solution
The fourth proportional to 5,450,513.80, 8,173,802.40 and 2,753,942.80 is: 4,129,919.69
Step by Step Solution
- Step 1: Write the proportion equation
5,450,513.80 : 8,173,802.40 = 2,753,942.80 : x - Step 2: Convert to fraction form
5,450,513.80/8,173,802.40 = 2,753,942.80/x - Step 3: Cross multiply
5,450,513.80x = 8,173,802.40 × 2,753,942.80 - Step 4: Simplify right side
5,450,513.80x = 22,510,184,268,102.72 - Step 5: Solve for x
x = 22,510,184,268,102.72/5,450,513.80 - Step 6: Final answer
x = 4,129,919.69
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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.