Finding the Fourth Proportional to 3,191,286.90, 4,789,263.15 and 2,246,502.90
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Solution
The fourth proportional to 3,191,286.90, 4,789,263.15 and 2,246,502.90 is: 3,371,396.52
Step by Step Solution
- Step 1: Write the proportion equation
3,191,286.90 : 4,789,263.15 = 2,246,502.90 : x - Step 2: Convert to fraction form
3,191,286.90/4,789,263.15 = 2,246,502.90/x - Step 3: Cross multiply
3,191,286.90x = 4,789,263.15 × 2,246,502.90 - Step 4: Simplify right side
3,191,286.90x = 10,759,093,555,338.13 - Step 5: Solve for x
x = 10,759,093,555,338.13/3,191,286.90 - Step 6: Final answer
x = 3,371,396.52
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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.