Finding the Fourth Proportional to 1,869,851.63, 2,804,777.10 and 449,907.70
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Solution
The fourth proportional to 1,869,851.63, 2,804,777.10 and 449,907.70 is: 674,861.47
Step by Step Solution
- Step 1: Write the proportion equation
1,869,851.63 : 2,804,777.10 = 449,907.70 : x - Step 2: Convert to fraction form
1,869,851.63/2,804,777.10 = 449,907.70/x - Step 3: Cross multiply
1,869,851.63x = 2,804,777.10 × 449,907.70 - Step 4: Simplify right side
1,869,851.63x = 1,261,890,822,571.60 - Step 5: Solve for x
x = 1,261,890,822,571.60/1,869,851.63 - Step 6: Final answer
x = 674,861.47
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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.