Finding the Fourth Proportional to 2,576,436.26, 3,865,724.19 and 1,296,360.25
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Solution
The fourth proportional to 2,576,436.26, 3,865,724.19 and 1,296,360.25 is: 1,945,078.66
Step by Step Solution
- Step 1: Write the proportion equation
2,576,436.26 : 3,865,724.19 = 1,296,360.25 : x - Step 2: Convert to fraction form
2,576,436.26/3,865,724.19 = 1,296,360.25/x - Step 3: Cross multiply
2,576,436.26x = 3,865,724.19 × 1,296,360.25 - Step 4: Simplify right side
2,576,436.26x = 5,011,371,167,715.14 - Step 5: Solve for x
x = 5,011,371,167,715.14/2,576,436.26 - Step 6: Final answer
x = 1,945,078.66
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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.