Finding the Fourth Proportional to 1,811,353.52, 2,716,863.68 and 613,138.88
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Solution
The fourth proportional to 1,811,353.52, 2,716,863.68 and 613,138.88 is: 919,651.92
Step by Step Solution
- Step 1: Write the proportion equation
1,811,353.52 : 2,716,863.68 = 613,138.88 : x - Step 2: Convert to fraction form
1,811,353.52/2,716,863.68 = 613,138.88/x - Step 3: Cross multiply
1,811,353.52x = 2,716,863.68 × 613,138.88 - Step 4: Simplify right side
1,811,353.52x = 1,665,814,741,816.41 - Step 5: Solve for x
x = 1,665,814,741,816.41/1,811,353.52 - Step 6: Final answer
x = 919,651.92
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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.