Finding the Fourth Proportional to 2,680,414.20, 4,020,621.30 and 1,614,907.80
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Solution
The fourth proportional to 2,680,414.20, 4,020,621.30 and 1,614,907.80 is: 2,422,361.70
Step by Step Solution
- Step 1: Write the proportion equation
2,680,414.20 : 4,020,621.30 = 1,614,907.80 : x - Step 2: Convert to fraction form
2,680,414.20/4,020,621.30 = 1,614,907.80/x - Step 3: Cross multiply
2,680,414.20x = 4,020,621.30 × 1,614,907.80 - Step 4: Simplify right side
2,680,414.20x = 6,492,932,698,216.14 - Step 5: Solve for x
x = 6,492,932,698,216.14/2,680,414.20 - Step 6: Final answer
x = 2,422,361.70
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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.