Finding the Fourth Proportional to 5,474,921.70, 7,555,440.84 and 3,027,697.44
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Solution
The fourth proportional to 5,474,921.70, 7,555,440.84 and 3,027,697.44 is: 4,178,249.51
Step by Step Solution
- Step 1: Write the proportion equation
5,474,921.70 : 7,555,440.84 = 3,027,697.44 : x - Step 2: Convert to fraction form
5,474,921.70/7,555,440.84 = 3,027,697.44/x - Step 3: Cross multiply
5,474,921.70x = 7,555,440.84 × 3,027,697.44 - Step 4: Simplify right side
5,474,921.70x = 22,875,588,889,339.45 - Step 5: Solve for x
x = 22,875,588,889,339.45/5,474,921.70 - Step 6: Final answer
x = 4,178,249.51
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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.