Finding the Fourth Proportional to 1,469,883.21, 2,028,495.71 and 816,558.70
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Solution
The fourth proportional to 1,469,883.21, 2,028,495.71 and 816,558.70 is: 1,126,882.60
Step by Step Solution
- Step 1: Write the proportion equation
1,469,883.21 : 2,028,495.71 = 816,558.70 : x - Step 2: Convert to fraction form
1,469,883.21/2,028,495.71 = 816,558.70/x - Step 3: Cross multiply
1,469,883.21x = 2,028,495.71 × 816,558.70 - Step 4: Simplify right side
1,469,883.21x = 1,656,385,805,687.91 - Step 5: Solve for x
x = 1,656,385,805,687.91/1,469,883.21 - Step 6: Final answer
x = 1,126,882.60
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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.