Finding the Fourth Proportional to 3,949,143.14, 5,449,821.46 and 2,138,302.82
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Solution
The fourth proportional to 3,949,143.14, 5,449,821.46 and 2,138,302.82 is: 2,950,860.02
Step by Step Solution
- Step 1: Write the proportion equation
3,949,143.14 : 5,449,821.46 = 2,138,302.82 : x - Step 2: Convert to fraction form
3,949,143.14/5,449,821.46 = 2,138,302.82/x - Step 3: Cross multiply
3,949,143.14x = 5,449,821.46 × 2,138,302.82 - Step 4: Simplify right side
3,949,143.14x = 11,653,368,596,414.52 - Step 5: Solve for x
x = 11,653,368,596,414.52/3,949,143.14 - Step 6: Final answer
x = 2,950,860.02
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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.