Finding the Fourth Proportional to 3,790,463.83, 5,685,993.82 and 1,266,127.99
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Solution
The fourth proportional to 3,790,463.83, 5,685,993.82 and 1,266,127.99 is: 1,899,291.55
Step by Step Solution
- Step 1: Write the proportion equation
3,790,463.83 : 5,685,993.82 = 1,266,127.99 : x - Step 2: Convert to fraction form
3,790,463.83/5,685,993.82 = 1,266,127.99/x - Step 3: Cross multiply
3,790,463.83x = 5,685,993.82 × 1,266,127.99 - Step 4: Simplify right side
3,790,463.83x = 7,199,195,926,469.02 - Step 5: Solve for x
x = 7,199,195,926,469.02/3,790,463.83 - Step 6: Final answer
x = 1,899,291.55
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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.