Finding the Fourth Proportional to 2,278,559.88, 3,419,521.98 and 1,080,486.21
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Solution
The fourth proportional to 2,278,559.88, 3,419,521.98 and 1,080,486.21 is: 1,621,526.99
Step by Step Solution
- Step 1: Write the proportion equation
2,278,559.88 : 3,419,521.98 = 1,080,486.21 : x - Step 2: Convert to fraction form
2,278,559.88/3,419,521.98 = 1,080,486.21/x - Step 3: Cross multiply
2,278,559.88x = 3,419,521.98 × 1,080,486.21 - Step 4: Simplify right side
2,278,559.88x = 3,694,746,344,181.90 - Step 5: Solve for x
x = 3,694,746,344,181.90/2,278,559.88 - Step 6: Final answer
x = 1,621,526.99
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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.