Finding the Fourth Proportional to 2,642,738.92, 3,647,490.96 and 1,723,371.93
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Solution
The fourth proportional to 2,642,738.92, 3,647,490.96 and 1,723,371.93 is: 2,378,586.66
Step by Step Solution
- Step 1: Write the proportion equation
2,642,738.92 : 3,647,490.96 = 1,723,371.93 : x - Step 2: Convert to fraction form
2,642,738.92/3,647,490.96 = 1,723,371.93/x - Step 3: Cross multiply
2,642,738.92x = 3,647,490.96 × 1,723,371.93 - Step 4: Simplify right side
2,642,738.92x = 6,285,983,541,855.40 - Step 5: Solve for x
x = 6,285,983,541,855.40/2,642,738.92 - Step 6: Final answer
x = 2,378,586.66
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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.