Finding the Fourth Proportional to 1,432,850.73, 1,977,616.63 and 821,414.05
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Solution
The fourth proportional to 1,432,850.73, 1,977,616.63 and 821,414.05 is: 1,133,713.41
Step by Step Solution
- Step 1: Write the proportion equation
1,432,850.73 : 1,977,616.63 = 821,414.05 : x - Step 2: Convert to fraction form
1,432,850.73/1,977,616.63 = 821,414.05/x - Step 3: Cross multiply
1,432,850.73x = 1,977,616.63 × 821,414.05 - Step 4: Simplify right side
1,432,850.73x = 1,624,442,085,395.65 - Step 5: Solve for x
x = 1,624,442,085,395.65/1,432,850.73 - Step 6: Final answer
x = 1,133,713.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.