Finding the Fourth Proportional to 1,869,422.94, 2,804,134.41 and 449,478.99
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Solution
The fourth proportional to 1,869,422.94, 2,804,134.41 and 449,478.99 is: 674,218.49
Step by Step Solution
- Step 1: Write the proportion equation
1,869,422.94 : 2,804,134.41 = 449,478.99 : x - Step 2: Convert to fraction form
1,869,422.94/2,804,134.41 = 449,478.99/x - Step 3: Cross multiply
1,869,422.94x = 2,804,134.41 × 449,478.99 - Step 4: Simplify right side
1,869,422.94x = 1,260,399,502,431.05 - Step 5: Solve for x
x = 1,260,399,502,431.05/1,869,422.94 - Step 6: Final answer
x = 674,218.49
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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.