Finding the Fourth Proportional to 4,192,733.20, 5,784,291.84 and 2,643,485.44
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Solution
The fourth proportional to 4,192,733.20, 5,784,291.84 and 2,643,485.44 is: 3,646,950.70
Step by Step Solution
- Step 1: Write the proportion equation
4,192,733.20 : 5,784,291.84 = 2,643,485.44 : x - Step 2: Convert to fraction form
4,192,733.20/5,784,291.84 = 2,643,485.44/x - Step 3: Cross multiply
4,192,733.20x = 5,784,291.84 × 2,643,485.44 - Step 4: Simplify right side
4,192,733.20x = 15,290,691,259,750.81 - Step 5: Solve for x
x = 15,290,691,259,750.81/4,192,733.20 - Step 6: Final answer
x = 3,646,950.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.