Finding the Fourth Proportional to 1,419,277.91, 1,958,311.14 and 815,549.27
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Solution
The fourth proportional to 1,419,277.91, 1,958,311.14 and 815,549.27 is: 1,125,289.99
Step by Step Solution
- Step 1: Write the proportion equation
1,419,277.91 : 1,958,311.14 = 815,549.27 : x - Step 2: Convert to fraction form
1,419,277.91/1,958,311.14 = 815,549.27/x - Step 3: Cross multiply
1,419,277.91x = 1,958,311.14 × 815,549.27 - Step 4: Simplify right side
1,419,277.91x = 1,597,099,225,555.65 - Step 5: Solve for x
x = 1,597,099,225,555.65/1,419,277.91 - Step 6: Final answer
x = 1,125,289.99
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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.