Finding the Fourth Proportional to 5,412,350.80, 8,119,464.16 and 1,818,468.28
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Solution
The fourth proportional to 5,412,350.80, 8,119,464.16 and 1,818,468.28 is: 2,728,017.56
Step by Step Solution
- Step 1: Write the proportion equation
5,412,350.80 : 8,119,464.16 = 1,818,468.28 : x - Step 2: Convert to fraction form
5,412,350.80/8,119,464.16 = 1,818,468.28/x - Step 3: Cross multiply
5,412,350.80x = 8,119,464.16 × 1,818,468.28 - Step 4: Simplify right side
5,412,350.80x = 14,764,988,025,556.85 - Step 5: Solve for x
x = 14,764,988,025,556.85/5,412,350.80 - Step 6: Final answer
x = 2,728,017.56
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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.