Finding the Fourth Proportional to 2,715,430.28, 4,073,145.42 and 693,678.63
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Solution
The fourth proportional to 2,715,430.28, 4,073,145.42 and 693,678.63 is: 1,040,517.95
Step by Step Solution
- Step 1: Write the proportion equation
2,715,430.28 : 4,073,145.42 = 693,678.63 : x - Step 2: Convert to fraction form
2,715,430.28/4,073,145.42 = 693,678.63/x - Step 3: Cross multiply
2,715,430.28x = 4,073,145.42 × 693,678.63 - Step 4: Simplify right side
2,715,430.28x = 2,825,453,934,736.37 - Step 5: Solve for x
x = 2,825,453,934,736.37/2,715,430.28 - Step 6: Final answer
x = 1,040,517.95
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1.5x scale
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.