Finding the Fourth Proportional to 2,806,693.88, 3,872,505.60 and 1,644,515.73
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Solution
The fourth proportional to 2,806,693.88, 3,872,505.60 and 1,644,515.73 is: 2,269,002.84
Step by Step Solution
- Step 1: Write the proportion equation
2,806,693.88 : 3,872,505.60 = 1,644,515.73 : x - Step 2: Convert to fraction form
2,806,693.88/3,872,505.60 = 1,644,515.73/x - Step 3: Cross multiply
2,806,693.88x = 3,872,505.60 × 1,644,515.73 - Step 4: Simplify right side
2,806,693.88x = 6,368,396,373,713.09 - Step 5: Solve for x
x = 6,368,396,373,713.09/2,806,693.88 - Step 6: Final answer
x = 2,269,002.84
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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.