Finding the Fourth Proportional to 5,391,738.70, 8,087,608.05 and 2,557,386.70
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Solution
The fourth proportional to 5,391,738.70, 8,087,608.05 and 2,557,386.70 is: 3,836,080.05
Step by Step Solution
- Step 1: Write the proportion equation
5,391,738.70 : 8,087,608.05 = 2,557,386.70 : x - Step 2: Convert to fraction form
5,391,738.70/8,087,608.05 = 2,557,386.70/x - Step 3: Cross multiply
5,391,738.70x = 8,087,608.05 × 2,557,386.70 - Step 4: Simplify right side
5,391,738.70x = 20,683,141,261,882.94 - Step 5: Solve for x
x = 20,683,141,261,882.94/5,391,738.70 - Step 6: Final answer
x = 3,836,080.05
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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.