Finding the Fourth Proportional to 1,843,329.75, 2,765,461.19 and 513,633.75
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Solution
The fourth proportional to 1,843,329.75, 2,765,461.19 and 513,633.75 is: 770,580.63
Step by Step Solution
- Step 1: Write the proportion equation
1,843,329.75 : 2,765,461.19 = 513,633.75 : x - Step 2: Convert to fraction form
1,843,329.75/2,765,461.19 = 513,633.75/x - Step 3: Cross multiply
1,843,329.75x = 2,765,461.19 × 513,633.75 - Step 4: Simplify right side
1,843,329.75x = 1,420,434,198,930.99 - Step 5: Solve for x
x = 1,420,434,198,930.99/1,843,329.75 - Step 6: Final answer
x = 770,580.63
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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.