Finding the Fourth Proportional to 3,836,459.60, 5,747,107.80 and 2,489,559.20
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Solution
The fourth proportional to 3,836,459.60, 5,747,107.80 and 2,489,559.20 is: 3,729,418.94
Step by Step Solution
- Step 1: Write the proportion equation
3,836,459.60 : 5,747,107.80 = 2,489,559.20 : x - Step 2: Convert to fraction form
3,836,459.60/5,747,107.80 = 2,489,559.20/x - Step 3: Cross multiply
3,836,459.60x = 5,747,107.80 × 2,489,559.20 - Step 4: Simplify right side
3,836,459.60x = 14,307,765,096,881.76 - Step 5: Solve for x
x = 14,307,765,096,881.76/3,836,459.60 - Step 6: Final answer
x = 3,729,418.94
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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.