Finding the Fourth Proportional to 2,579,874.24, 3,561,819.84 and 1,662,427.20
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Solution
The fourth proportional to 2,579,874.24, 3,561,819.84 and 1,662,427.20 is: 2,295,176.29
Step by Step Solution
- Step 1: Write the proportion equation
2,579,874.24 : 3,561,819.84 = 1,662,427.20 : x - Step 2: Convert to fraction form
2,579,874.24/3,561,819.84 = 1,662,427.20/x - Step 3: Cross multiply
2,579,874.24x = 3,561,819.84 × 1,662,427.20 - Step 4: Simplify right side
2,579,874.24x = 5,921,266,183,515.65 - Step 5: Solve for x
x = 5,921,266,183,515.65/2,579,874.24 - Step 6: Final answer
x = 2,295,176.29
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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.