Finding the Fourth Proportional to 2,049,391.74, 2,821,899.96 and 1,857,154.44
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Solution
The fourth proportional to 2,049,391.74, 2,821,899.96 and 1,857,154.44 is: 2,557,199.75
Step by Step Solution
- Step 1: Write the proportion equation
2,049,391.74 : 2,821,899.96 = 1,857,154.44 : x - Step 2: Convert to fraction form
2,049,391.74/2,821,899.96 = 1,857,154.44/x - Step 3: Cross multiply
2,049,391.74x = 2,821,899.96 × 1,857,154.44 - Step 4: Simplify right side
2,049,391.74x = 5,240,704,039,949.82 - Step 5: Solve for x
x = 5,240,704,039,949.82/2,049,391.74 - Step 6: Final answer
x = 2,557,199.75
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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.