Finding the Fourth Proportional to 2,940,782.10, 4,412,899.68 and 1,234,794.21
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Solution
The fourth proportional to 2,940,782.10, 4,412,899.68 and 1,234,794.21 is: 1,852,916.26
Step by Step Solution
- Step 1: Write the proportion equation
2,940,782.10 : 4,412,899.68 = 1,234,794.21 : x - Step 2: Convert to fraction form
2,940,782.10/4,412,899.68 = 1,234,794.21/x - Step 3: Cross multiply
2,940,782.10x = 4,412,899.68 × 1,234,794.21 - Step 4: Simplify right side
2,940,782.10x = 5,449,022,974,174.85 - Step 5: Solve for x
x = 5,449,022,974,174.85/2,940,782.10 - Step 6: Final answer
x = 1,852,916.26
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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.