Finding the Fourth Proportional to 1,921,644.79, 2,651,778.15 and 1,050,524.44
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Solution
The fourth proportional to 1,921,644.79, 2,651,778.15 and 1,050,524.44 is: 1,449,673.62
Step by Step Solution
- Step 1: Write the proportion equation
1,921,644.79 : 2,651,778.15 = 1,050,524.44 : x - Step 2: Convert to fraction form
1,921,644.79/2,651,778.15 = 1,050,524.44/x - Step 3: Cross multiply
1,921,644.79x = 2,651,778.15 × 1,050,524.44 - Step 4: Simplify right side
1,921,644.79x = 2,785,757,756,032.99 - Step 5: Solve for x
x = 2,785,757,756,032.99/1,921,644.79 - Step 6: Final answer
x = 1,449,673.62
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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.