Finding the Fourth Proportional to 1,651,805.36, 2,279,455.52 and 926,639.92
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Solution
The fourth proportional to 1,651,805.36, 2,279,455.52 and 926,639.92 is: 1,278,742.96
Step by Step Solution
- Step 1: Write the proportion equation
1,651,805.36 : 2,279,455.52 = 926,639.92 : x - Step 2: Convert to fraction form
1,651,805.36/2,279,455.52 = 926,639.92/x - Step 3: Cross multiply
1,651,805.36x = 2,279,455.52 × 926,639.92 - Step 4: Simplify right side
1,651,805.36x = 2,112,234,480,696.36 - Step 5: Solve for x
x = 2,112,234,480,696.36/1,651,805.36 - Step 6: Final answer
x = 1,278,742.96
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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.