Finding the Fourth Proportional to 2,553,830.44, 3,524,310.12 and 1,407,951.80
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Solution
The fourth proportional to 2,553,830.44, 3,524,310.12 and 1,407,951.80 is: 1,942,986.78
Step by Step Solution
- Step 1: Write the proportion equation
2,553,830.44 : 3,524,310.12 = 1,407,951.80 : x - Step 2: Convert to fraction form
2,553,830.44/3,524,310.12 = 1,407,951.80/x - Step 3: Cross multiply
2,553,830.44x = 3,524,310.12 × 1,407,951.80 - Step 4: Simplify right side
2,553,830.44x = 4,962,058,777,212.22 - Step 5: Solve for x
x = 4,962,058,777,212.22/2,553,830.44 - Step 6: Final answer
x = 1,942,986.78
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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.