Finding the Fourth Proportional to 2,538,205.70, 3,805,414.97 and 1,527,090.71
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Solution
The fourth proportional to 2,538,205.70, 3,805,414.97 and 1,527,090.71 is: 2,289,496.80
Step by Step Solution
- Step 1: Write the proportion equation
2,538,205.70 : 3,805,414.97 = 1,527,090.71 : x - Step 2: Convert to fraction form
2,538,205.70/3,805,414.97 = 1,527,090.71/x - Step 3: Cross multiply
2,538,205.70x = 3,805,414.97 × 1,527,090.71 - Step 4: Simplify right side
2,538,205.70x = 5,811,213,821,719.40 - Step 5: Solve for x
x = 5,811,213,821,719.40/2,538,205.70 - Step 6: Final answer
x = 2,289,496.80
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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.