Finding the Fourth Proportional to 2,590,839.02, 3,889,626.18 and 1,992,220.58
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Solution
The fourth proportional to 2,590,839.02, 3,889,626.18 and 1,992,220.58 is: 2,990,920.42
Step by Step Solution
- Step 1: Write the proportion equation
2,590,839.02 : 3,889,626.18 = 1,992,220.58 : x - Step 2: Convert to fraction form
2,590,839.02/3,889,626.18 = 1,992,220.58/x - Step 3: Cross multiply
2,590,839.02x = 3,889,626.18 × 1,992,220.58 - Step 4: Simplify right side
2,590,839.02x = 7,748,993,304,854.65 - Step 5: Solve for x
x = 7,748,993,304,854.65/2,590,839.02 - Step 6: Final answer
x = 2,990,920.42
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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.