Finding the Fourth Proportional to 3,213,897.06, 4,435,453.41 and 1,763,872.80
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Solution
The fourth proportional to 3,213,897.06, 4,435,453.41 and 1,763,872.80 is: 2,434,295.65
Step by Step Solution
- Step 1: Write the proportion equation
3,213,897.06 : 4,435,453.41 = 1,763,872.80 : x - Step 2: Convert to fraction form
3,213,897.06/4,435,453.41 = 1,763,872.80/x - Step 3: Cross multiply
3,213,897.06x = 4,435,453.41 × 1,763,872.80 - Step 4: Simplify right side
3,213,897.06x = 7,823,575,625,566.25 - Step 5: Solve for x
x = 7,823,575,625,566.25/3,213,897.06 - Step 6: Final answer
x = 2,434,295.65
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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.