Finding the Fourth Proportional to 1,811,936.77, 2,711,990.96 and 1,332,037.52
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Solution
The fourth proportional to 1,811,936.77, 2,711,990.96 and 1,332,037.52 is: 1,993,708.49
Step by Step Solution
- Step 1: Write the proportion equation
1,811,936.77 : 2,711,990.96 = 1,332,037.52 : x - Step 2: Convert to fraction form
1,811,936.77/2,711,990.96 = 1,332,037.52/x - Step 3: Cross multiply
1,811,936.77x = 2,711,990.96 × 1,332,037.52 - Step 4: Simplify right side
1,811,936.77x = 3,612,473,726,567.09 - Step 5: Solve for x
x = 3,612,473,726,567.09/1,811,936.77 - Step 6: Final answer
x = 1,993,708.49
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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.