Finding the Fourth Proportional to 1,647,661.71, 2,469,748.73 and 749,733.99
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Solution
The fourth proportional to 1,647,661.71, 2,469,748.73 and 749,733.99 is: 1,123,807.49
Step by Step Solution
- Step 1: Write the proportion equation
1,647,661.71 : 2,469,748.73 = 749,733.99 : x - Step 2: Convert to fraction form
1,647,661.71/2,469,748.73 = 749,733.99/x - Step 3: Cross multiply
1,647,661.71x = 2,469,748.73 × 749,733.99 - Step 4: Simplify right side
1,647,661.71x = 1,851,654,567,766.00 - Step 5: Solve for x
x = 1,851,654,567,766.00/1,647,661.71 - Step 6: Final answer
x = 1,123,807.49
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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.