Finding the Fourth Proportional to 2,138,207.44, 2,950,759.73 and 1,171,273.90
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Solution
The fourth proportional to 2,138,207.44, 2,950,759.73 and 1,171,273.90 is: 1,616,376.31
Step by Step Solution
- Step 1: Write the proportion equation
2,138,207.44 : 2,950,759.73 = 1,171,273.90 : x - Step 2: Convert to fraction form
2,138,207.44/2,950,759.73 = 1,171,273.90/x - Step 3: Cross multiply
2,138,207.44x = 2,950,759.73 × 1,171,273.90 - Step 4: Simplify right side
2,138,207.44x = 3,456,147,856,920.05 - Step 5: Solve for x
x = 3,456,147,856,920.05/2,138,207.44 - Step 6: Final answer
x = 1,616,376.31
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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.