Finding the Fourth Proportional to 2,784,231.40, 4,168,052.70 and 1,661,722.60
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Solution
The fourth proportional to 2,784,231.40, 4,168,052.70 and 1,661,722.60 is: 2,487,633.52
Step by Step Solution
- Step 1: Write the proportion equation
2,784,231.40 : 4,168,052.70 = 1,661,722.60 : x - Step 2: Convert to fraction form
2,784,231.40/4,168,052.70 = 1,661,722.60/x - Step 3: Cross multiply
2,784,231.40x = 4,168,052.70 × 1,661,722.60 - Step 4: Simplify right side
2,784,231.40x = 6,926,147,369,581.02 - Step 5: Solve for x
x = 6,926,147,369,581.02/2,784,231.40 - Step 6: Final answer
x = 2,487,633.52
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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.