Finding the Fourth Proportional to 1,941,838.11, 2,913,755.36 and 1,489,336.07
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Solution
The fourth proportional to 1,941,838.11, 2,913,755.36 and 1,489,336.07 is: 2,234,769.68
Step by Step Solution
- Step 1: Write the proportion equation
1,941,838.11 : 2,913,755.36 = 1,489,336.07 : x - Step 2: Convert to fraction form
1,941,838.11/2,913,755.36 = 1,489,336.07/x - Step 3: Cross multiply
1,941,838.11x = 2,913,755.36 × 1,489,336.07 - Step 4: Simplify right side
1,941,838.11x = 4,339,560,934,788.38 - Step 5: Solve for x
x = 4,339,560,934,788.38/1,941,838.11 - Step 6: Final answer
x = 2,234,769.68
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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.