Finding the Fourth Proportional to 4,178,416.68, 6,268,527.36 and 1,299,728.64
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Solution
The fourth proportional to 4,178,416.68, 6,268,527.36 and 1,299,728.64 is: 1,949,873.64
Step by Step Solution
- Step 1: Write the proportion equation
4,178,416.68 : 6,268,527.36 = 1,299,728.64 : x - Step 2: Convert to fraction form
4,178,416.68/6,268,527.36 = 1,299,728.64/x - Step 3: Cross multiply
4,178,416.68x = 6,268,527.36 × 1,299,728.64 - Step 4: Simplify right side
4,178,416.68x = 8,147,384,540,415.59 - Step 5: Solve for x
x = 8,147,384,540,415.59/4,178,416.68 - Step 6: Final answer
x = 1,949,873.64
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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.