Finding the Fourth Proportional to 2,083,634.70, 3,124,837.65 and 821,042.70
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Solution
The fourth proportional to 2,083,634.70, 3,124,837.65 and 821,042.70 is: 1,231,321.95
Step by Step Solution
- Step 1: Write the proportion equation
2,083,634.70 : 3,124,837.65 = 821,042.70 : x - Step 2: Convert to fraction form
2,083,634.70/3,124,837.65 = 821,042.70/x - Step 3: Cross multiply
2,083,634.70x = 3,124,837.65 × 821,042.70 - Step 4: Simplify right side
2,083,634.70x = 2,565,625,141,217.65 - Step 5: Solve for x
x = 2,565,625,141,217.65/2,083,634.70 - Step 6: Final answer
x = 1,231,321.95
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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.