Finding the Fourth Proportional to 2,078,481.70, 3,117,074.55 and 816,696.10
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Solution
The fourth proportional to 2,078,481.70, 3,117,074.55 and 816,696.10 is: 1,224,789.53
Step by Step Solution
- Step 1: Write the proportion equation
2,078,481.70 : 3,117,074.55 = 816,696.10 : x - Step 2: Convert to fraction form
2,078,481.70/3,117,074.55 = 816,696.10/x - Step 3: Cross multiply
2,078,481.70x = 3,117,074.55 × 816,696.10 - Step 4: Simplify right side
2,078,481.70x = 2,545,702,628,394.26 - Step 5: Solve for x
x = 2,545,702,628,394.26/2,078,481.70 - Step 6: Final answer
x = 1,224,789.53
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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.