Finding the Fourth Proportional to 3,670,040.40, 5,509,207.80 and 2,174,974.80
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Solution
The fourth proportional to 3,670,040.40, 5,509,207.80 and 2,174,974.80 is: 3,264,919.95
Step by Step Solution
- Step 1: Write the proportion equation
3,670,040.40 : 5,509,207.80 = 2,174,974.80 : x - Step 2: Convert to fraction form
3,670,040.40/5,509,207.80 = 2,174,974.80/x - Step 3: Cross multiply
3,670,040.40x = 5,509,207.80 × 2,174,974.80 - Step 4: Simplify right side
3,670,040.40x = 11,982,388,132,963.44 - Step 5: Solve for x
x = 11,982,388,132,963.44/3,670,040.40 - Step 6: Final answer
x = 3,264,919.95
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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.