Finding the Fourth Proportional to 2,563,819.09, 3,538,543.66 and 1,647,194.09
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Solution
The fourth proportional to 2,563,819.09, 3,538,543.66 and 1,647,194.09 is: 2,273,431.93
Step by Step Solution
- Step 1: Write the proportion equation
2,563,819.09 : 3,538,543.66 = 1,647,194.09 : x - Step 2: Convert to fraction form
2,563,819.09/3,538,543.66 = 1,647,194.09/x - Step 3: Cross multiply
2,563,819.09x = 3,538,543.66 × 1,647,194.09 - Step 4: Simplify right side
2,563,819.09x = 5,828,668,178,030.28 - Step 5: Solve for x
x = 5,828,668,178,030.28/2,563,819.09 - Step 6: Final answer
x = 2,273,431.93
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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.