Finding the Fourth Proportional to 1,890,142.54, 2,608,294.11 and 1,074,232.99
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Solution
The fourth proportional to 1,890,142.54, 2,608,294.11 and 1,074,232.99 is: 1,482,383.21
Step by Step Solution
- Step 1: Write the proportion equation
1,890,142.54 : 2,608,294.11 = 1,074,232.99 : x - Step 2: Convert to fraction form
1,890,142.54/2,608,294.11 = 1,074,232.99/x - Step 3: Cross multiply
1,890,142.54x = 2,608,294.11 × 1,074,232.99 - Step 4: Simplify right side
1,890,142.54x = 2,801,915,571,187.59 - Step 5: Solve for x
x = 2,801,915,571,187.59/1,890,142.54 - Step 6: Final answer
x = 1,482,383.21
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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.