Finding the Fourth Proportional to 2,976,441.12, 4,107,483.12 and 1,618,310.88
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Solution
The fourth proportional to 2,976,441.12, 4,107,483.12 and 1,618,310.88 is: 2,233,265.96
Step by Step Solution
- Step 1: Write the proportion equation
2,976,441.12 : 4,107,483.12 = 1,618,310.88 : x - Step 2: Convert to fraction form
2,976,441.12/4,107,483.12 = 1,618,310.88/x - Step 3: Cross multiply
2,976,441.12x = 4,107,483.12 × 1,618,310.88 - Step 4: Simplify right side
2,976,441.12x = 6,647,184,622,512.35 - Step 5: Solve for x
x = 6,647,184,622,512.35/2,976,441.12 - Step 6: Final answer
x = 2,233,265.96
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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.