Finding the Fourth Proportional to 1,869,391.98, 2,804,087.97 and 449,448.08
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Solution
The fourth proportional to 1,869,391.98, 2,804,087.97 and 449,448.08 is: 674,172.11
Step by Step Solution
- Step 1: Write the proportion equation
1,869,391.98 : 2,804,087.97 = 449,448.08 : x - Step 2: Convert to fraction form
1,869,391.98/2,804,087.97 = 449,448.08/x - Step 3: Cross multiply
1,869,391.98x = 2,804,087.97 × 449,448.08 - Step 4: Simplify right side
1,869,391.98x = 1,260,291,940,247.16 - Step 5: Solve for x
x = 1,260,291,940,247.16/1,869,391.98 - Step 6: Final answer
x = 674,172.11
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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.