Finding the Fourth Proportional to 3,647,787.36, 5,471,774.48 and 1,728,249.12
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Solution
The fourth proportional to 3,647,787.36, 5,471,774.48 and 1,728,249.12 is: 2,592,417.95
Step by Step Solution
- Step 1: Write the proportion equation
3,647,787.36 : 5,471,774.48 = 1,728,249.12 : x - Step 2: Convert to fraction form
3,647,787.36/5,471,774.48 = 1,728,249.12/x - Step 3: Cross multiply
3,647,787.36x = 5,471,774.48 × 1,728,249.12 - Step 4: Simplify right side
3,647,787.36x = 9,456,589,429,898.46 - Step 5: Solve for x
x = 9,456,589,429,898.46/3,647,787.36 - Step 6: Final answer
x = 2,592,417.95
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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.