Finding the Fourth Proportional to 1,837,761.24, 2,756,644.29 and 489,854.82
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Solution
The fourth proportional to 1,837,761.24, 2,756,644.29 and 489,854.82 is: 734,782.88
Step by Step Solution
- Step 1: Write the proportion equation
1,837,761.24 : 2,756,644.29 = 489,854.82 : x - Step 2: Convert to fraction form
1,837,761.24/2,756,644.29 = 489,854.82/x - Step 3: Cross multiply
1,837,761.24x = 2,756,644.29 × 489,854.82 - Step 4: Simplify right side
1,837,761.24x = 1,350,355,492,481.98 - Step 5: Solve for x
x = 1,350,355,492,481.98/1,837,761.24 - Step 6: Final answer
x = 734,782.88
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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.