Finding the Fourth Proportional to 3,847,659.56, 5,771,431.02 and 1,323,336.68
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Solution
The fourth proportional to 3,847,659.56, 5,771,431.02 and 1,323,336.68 is: 1,984,984.96
Step by Step Solution
- Step 1: Write the proportion equation
3,847,659.56 : 5,771,431.02 = 1,323,336.68 : x - Step 2: Convert to fraction form
3,847,659.56/5,771,431.02 = 1,323,336.68/x - Step 3: Cross multiply
3,847,659.56x = 5,771,431.02 × 1,323,336.68 - Step 4: Simplify right side
3,847,659.56x = 7,637,546,364,855.81 - Step 5: Solve for x
x = 7,637,546,364,855.81/3,847,659.56 - Step 6: Final answer
x = 1,984,984.96
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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.