Finding the Fourth Proportional to 1,991,260.82, 2,986,884.99 and 495,352.82
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Solution
The fourth proportional to 1,991,260.82, 2,986,884.99 and 495,352.82 is: 743,027.68
Step by Step Solution
- Step 1: Write the proportion equation
1,991,260.82 : 2,986,884.99 = 495,352.82 : x - Step 2: Convert to fraction form
1,991,260.82/2,986,884.99 = 495,352.82/x - Step 3: Cross multiply
1,991,260.82x = 2,986,884.99 × 495,352.82 - Step 4: Simplify right side
1,991,260.82x = 1,479,561,902,812.17 - Step 5: Solve for x
x = 1,479,561,902,812.17/1,991,260.82 - Step 6: Final answer
x = 743,027.68
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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.