Finding the Fourth Proportional to 3,811,953.84, 5,716,252.23 and 1,790,772.18
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Solution
The fourth proportional to 3,811,953.84, 5,716,252.23 and 1,790,772.18 is: 2,685,369.73
Step by Step Solution
- Step 1: Write the proportion equation
3,811,953.84 : 5,716,252.23 = 1,790,772.18 : x - Step 2: Convert to fraction form
3,811,953.84/5,716,252.23 = 1,790,772.18/x - Step 3: Cross multiply
3,811,953.84x = 5,716,252.23 × 1,790,772.18 - Step 4: Simplify right side
3,811,953.84x = 10,236,505,467,346.96 - Step 5: Solve for x
x = 10,236,505,467,346.96/3,811,953.84 - Step 6: Final answer
x = 2,685,369.73
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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.