Finding the Fourth Proportional to 1,372,882.44, 1,892,477.64 and 963,836.76
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Solution
The fourth proportional to 1,372,882.44, 1,892,477.64 and 963,836.76 is: 1,328,620.33
Step by Step Solution
- Step 1: Write the proportion equation
1,372,882.44 : 1,892,477.64 = 963,836.76 : x - Step 2: Convert to fraction form
1,372,882.44/1,892,477.64 = 963,836.76/x - Step 3: Cross multiply
1,372,882.44x = 1,892,477.64 × 963,836.76 - Step 4: Simplify right side
1,372,882.44x = 1,824,039,516,910.05 - Step 5: Solve for x
x = 1,824,039,516,910.05/1,372,882.44 - Step 6: Final answer
x = 1,328,620.33
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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.