Finding the Fourth Proportional to 1,638,616.97, 2,457,925.46 and 516,685.97
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Solution
The fourth proportional to 1,638,616.97, 2,457,925.46 and 516,685.97 is: 775,028.96
Step by Step Solution
- Step 1: Write the proportion equation
1,638,616.97 : 2,457,925.46 = 516,685.97 : x - Step 2: Convert to fraction form
1,638,616.97/2,457,925.46 = 516,685.97/x - Step 3: Cross multiply
1,638,616.97x = 2,457,925.46 × 516,685.97 - Step 4: Simplify right side
1,638,616.97x = 1,269,975,604,049.18 - Step 5: Solve for x
x = 1,269,975,604,049.18/1,638,616.97 - Step 6: Final answer
x = 775,028.96
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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.