Finding the Fourth Proportional to 3,678,418.32, 5,517,910.44 and 1,119,852.84
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Solution
The fourth proportional to 3,678,418.32, 5,517,910.44 and 1,119,852.84 is: 1,679,865.40
Step by Step Solution
- Step 1: Write the proportion equation
3,678,418.32 : 5,517,910.44 = 1,119,852.84 : x - Step 2: Convert to fraction form
3,678,418.32/5,517,910.44 = 1,119,852.84/x - Step 3: Cross multiply
3,678,418.32x = 5,517,910.44 × 1,119,852.84 - Step 4: Simplify right side
3,678,418.32x = 6,179,247,677,099.65 - Step 5: Solve for x
x = 6,179,247,677,099.65/3,678,418.32 - Step 6: Final answer
x = 1,679,865.40
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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.