Finding the Fourth Proportional to 2,428,446.84, 3,351,261.63 and 1,340,720.52
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Solution
The fourth proportional to 2,428,446.84, 3,351,261.63 and 1,340,720.52 is: 1,850,197.07
Step by Step Solution
- Step 1: Write the proportion equation
2,428,446.84 : 3,351,261.63 = 1,340,720.52 : x - Step 2: Convert to fraction form
2,428,446.84/3,351,261.63 = 1,340,720.52/x - Step 3: Cross multiply
2,428,446.84x = 3,351,261.63 × 1,340,720.52 - Step 4: Simplify right side
2,428,446.84x = 4,493,105,235,229.65 - Step 5: Solve for x
x = 4,493,105,235,229.65/2,428,446.84 - Step 6: Final answer
x = 1,850,197.07
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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.