Finding the Fourth Proportional to 4,252,181.64, 6,378,914.94 and 1,372,586.28
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Solution
The fourth proportional to 4,252,181.64, 6,378,914.94 and 1,372,586.28 is: 2,059,086.81
Step by Step Solution
- Step 1: Write the proportion equation
4,252,181.64 : 6,378,914.94 = 1,372,586.28 : x - Step 2: Convert to fraction form
4,252,181.64/6,378,914.94 = 1,372,586.28/x - Step 3: Cross multiply
4,252,181.64x = 6,378,914.94 × 1,372,586.28 - Step 4: Simplify right side
4,252,181.64x = 8,755,611,127,931.03 - Step 5: Solve for x
x = 8,755,611,127,931.03/4,252,181.64 - Step 6: Final answer
x = 2,059,086.81
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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.