Finding the Fourth Proportional to 3,021,037.98, 4,169,121.08 and 1,644,471.49
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Solution
The fourth proportional to 3,021,037.98, 4,169,121.08 and 1,644,471.49 is: 2,269,418.93
Step by Step Solution
- Step 1: Write the proportion equation
3,021,037.98 : 4,169,121.08 = 1,644,471.49 : x - Step 2: Convert to fraction form
3,021,037.98/4,169,121.08 = 1,644,471.49/x - Step 3: Cross multiply
3,021,037.98x = 4,169,121.08 × 1,644,471.49 - Step 4: Simplify right side
3,021,037.98x = 6,856,000,764,565.76 - Step 5: Solve for x
x = 6,856,000,764,565.76/3,021,037.98 - Step 6: Final answer
x = 2,269,418.93
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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.