Finding the Fourth Proportional to 5,845,672.20, 8,769,836.70 and 2,651,712.60
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Solution
The fourth proportional to 5,845,672.20, 8,769,836.70 and 2,651,712.60 is: 3,978,171.49
Step by Step Solution
- Step 1: Write the proportion equation
5,845,672.20 : 8,769,836.70 = 2,651,712.60 : x - Step 2: Convert to fraction form
5,845,672.20/8,769,836.70 = 2,651,712.60/x - Step 3: Cross multiply
5,845,672.20x = 8,769,836.70 × 2,651,712.60 - Step 4: Simplify right side
5,845,672.20x = 23,255,086,477,332.42 - Step 5: Solve for x
x = 23,255,086,477,332.42/5,845,672.20 - Step 6: Final answer
x = 3,978,171.49
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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.