Finding the Fourth Proportional to 5,449,853.91, 8,174,739.86 and 1,405,997.97
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Solution
The fourth proportional to 5,449,853.91, 8,174,739.86 and 1,405,997.97 is: 2,108,986.37
Step by Step Solution
- Step 1: Write the proportion equation
5,449,853.91 : 8,174,739.86 = 1,405,997.97 : x - Step 2: Convert to fraction form
5,449,853.91/8,174,739.86 = 1,405,997.97/x - Step 3: Cross multiply
5,449,853.91x = 8,174,739.86 × 1,405,997.97 - Step 4: Simplify right side
5,449,853.91x = 11,493,667,604,049.39 - Step 5: Solve for x
x = 11,493,667,604,049.39/5,449,853.91 - Step 6: Final answer
x = 2,108,986.37
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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.