Finding the Fourth Proportional to 1,631,846.36, 2,447,769.08 and 509,915.36
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Solution
The fourth proportional to 1,631,846.36, 2,447,769.08 and 509,915.36 is: 764,872.90
Step by Step Solution
- Step 1: Write the proportion equation
1,631,846.36 : 2,447,769.08 = 509,915.36 : x - Step 2: Convert to fraction form
1,631,846.36/2,447,769.08 = 509,915.36/x - Step 3: Cross multiply
1,631,846.36x = 2,447,769.08 × 509,915.36 - Step 4: Simplify right side
1,631,846.36x = 1,248,155,051,625.07 - Step 5: Solve for x
x = 1,248,155,051,625.07/1,631,846.36 - Step 6: Final answer
x = 764,872.90
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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.