Finding the Fourth Proportional to 5,414,448.71, 7,471,939.30 and 2,967,156.07
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Solution
The fourth proportional to 5,414,448.71, 7,471,939.30 and 2,967,156.07 is: 4,094,675.42
Step by Step Solution
- Step 1: Write the proportion equation
5,414,448.71 : 7,471,939.30 = 2,967,156.07 : x - Step 2: Convert to fraction form
5,414,448.71/7,471,939.30 = 2,967,156.07/x - Step 3: Cross multiply
5,414,448.71x = 7,471,939.30 × 2,967,156.07 - Step 4: Simplify right side
5,414,448.71x = 22,170,410,048,666.55 - Step 5: Solve for x
x = 22,170,410,048,666.55/5,414,448.71 - Step 6: Final answer
x = 4,094,675.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.