Finding the Fourth Proportional to 1,490,292.40, 2,236,021.80 and 543,758.80
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Solution
The fourth proportional to 1,490,292.40, 2,236,021.80 and 543,758.80 is: 815,850.99
Step by Step Solution
- Step 1: Write the proportion equation
1,490,292.40 : 2,236,021.80 = 543,758.80 : x - Step 2: Convert to fraction form
1,490,292.40/2,236,021.80 = 543,758.80/x - Step 3: Cross multiply
1,490,292.40x = 2,236,021.80 × 543,758.80 - Step 4: Simplify right side
1,490,292.40x = 1,215,856,530,741.84 - Step 5: Solve for x
x = 1,215,856,530,741.84/1,490,292.40 - Step 6: Final answer
x = 815,850.99
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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.