Finding the Fourth Proportional to 1,338,106.72, 2,007,553.84 and 538,976.88
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Solution
The fourth proportional to 1,338,106.72, 2,007,553.84 and 538,976.88 is: 808,623.92
Step by Step Solution
- Step 1: Write the proportion equation
1,338,106.72 : 2,007,553.84 = 538,976.88 : x - Step 2: Convert to fraction form
1,338,106.72/2,007,553.84 = 538,976.88/x - Step 3: Cross multiply
1,338,106.72x = 2,007,553.84 × 538,976.88 - Step 4: Simplify right side
1,338,106.72x = 1,082,025,105,115.22 - Step 5: Solve for x
x = 1,082,025,105,115.22/1,338,106.72 - Step 6: Final answer
x = 808,623.92
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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.