Finding the Fourth Proportional to 2,762,107.26, 3,811,696.20 and 1,538,427.30
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Solution
The fourth proportional to 2,762,107.26, 3,811,696.20 and 1,538,427.30 is: 2,123,023.09
Step by Step Solution
- Step 1: Write the proportion equation
2,762,107.26 : 3,811,696.20 = 1,538,427.30 : x - Step 2: Convert to fraction form
2,762,107.26/3,811,696.20 = 1,538,427.30/x - Step 3: Cross multiply
2,762,107.26x = 3,811,696.20 × 1,538,427.30 - Step 4: Simplify right side
2,762,107.26x = 5,864,017,493,386.26 - Step 5: Solve for x
x = 5,864,017,493,386.26/2,762,107.26 - Step 6: Final answer
x = 2,123,023.09
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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.