Finding the Fourth Proportional to 2,057,431.28, 3,084,651.60 and 859,696.40
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Solution
The fourth proportional to 2,057,431.28, 3,084,651.60 and 859,696.40 is: 1,288,919.78
Step by Step Solution
- Step 1: Write the proportion equation
2,057,431.28 : 3,084,651.60 = 859,696.40 : x - Step 2: Convert to fraction form
2,057,431.28/3,084,651.60 = 859,696.40/x - Step 3: Cross multiply
2,057,431.28x = 3,084,651.60 × 859,696.40 - Step 4: Simplify right side
2,057,431.28x = 2,651,863,875,774.24 - Step 5: Solve for x
x = 2,651,863,875,774.24/2,057,431.28 - Step 6: Final answer
x = 1,288,919.78
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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.