Finding the Fourth Proportional to 1,869,425.94, 2,804,138.91 and 449,481.99
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Solution
The fourth proportional to 1,869,425.94, 2,804,138.91 and 449,481.99 is: 674,222.99
Step by Step Solution
- Step 1: Write the proportion equation
1,869,425.94 : 2,804,138.91 = 449,481.99 : x - Step 2: Convert to fraction form
1,869,425.94/2,804,138.91 = 449,481.99/x - Step 3: Cross multiply
1,869,425.94x = 2,804,138.91 × 449,481.99 - Step 4: Simplify right side
1,869,425.94x = 1,260,409,937,503.23 - Step 5: Solve for x
x = 1,260,409,937,503.23/1,869,425.94 - Step 6: Final answer
x = 674,222.99
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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.