Finding the Fourth Proportional to 2,263,649.98, 3,122,915.34 and 1,283,382.34
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Solution
The fourth proportional to 2,263,649.98, 3,122,915.34 and 1,283,382.34 is: 1,770,545.11
Step by Step Solution
- Step 1: Write the proportion equation
2,263,649.98 : 3,122,915.34 = 1,283,382.34 : x - Step 2: Convert to fraction form
2,263,649.98/3,122,915.34 = 1,283,382.34/x - Step 3: Cross multiply
2,263,649.98x = 3,122,915.34 × 1,283,382.34 - Step 4: Simplify right side
2,263,649.98x = 4,007,894,396,671.10 - Step 5: Solve for x
x = 4,007,894,396,671.10/2,263,649.98 - Step 6: Final answer
x = 1,770,545.11
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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.