Finding the Fourth Proportional to 2,749,786.11, 3,795,160.92 and 1,603,866.42
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Solution
The fourth proportional to 2,749,786.11, 3,795,160.92 and 1,603,866.42 is: 2,213,601.68
Step by Step Solution
- Step 1: Write the proportion equation
2,749,786.11 : 3,795,160.92 = 1,603,866.42 : x - Step 2: Convert to fraction form
2,749,786.11/3,795,160.92 = 1,603,866.42/x - Step 3: Cross multiply
2,749,786.11x = 3,795,160.92 × 1,603,866.42 - Step 4: Simplify right side
2,749,786.11x = 6,086,931,158,084.31 - Step 5: Solve for x
x = 6,086,931,158,084.31/2,749,786.11 - Step 6: Final answer
x = 2,213,601.68
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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.