Finding the Fourth Proportional to 4,491,154.89, 6,197,787.58 and 2,557,415.42
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Solution
The fourth proportional to 4,491,154.89, 6,197,787.58 and 2,557,415.42 is: 3,529,229.77
Step by Step Solution
- Step 1: Write the proportion equation
4,491,154.89 : 6,197,787.58 = 2,557,415.42 : x - Step 2: Convert to fraction form
4,491,154.89/6,197,787.58 = 2,557,415.42/x - Step 3: Cross multiply
4,491,154.89x = 6,197,787.58 × 2,557,415.42 - Step 4: Simplify right side
4,491,154.89x = 15,850,317,526,976.48 - Step 5: Solve for x
x = 15,850,317,526,976.48/4,491,154.89 - Step 6: Final answer
x = 3,529,229.77
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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.