Finding the Fourth Proportional to 1,598,315.09, 2,397,474.21 and 445,515.62
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Solution
The fourth proportional to 1,598,315.09, 2,397,474.21 and 445,515.62 is: 668,273.87
Step by Step Solution
- Step 1: Write the proportion equation
1,598,315.09 : 2,397,474.21 = 445,515.62 : x - Step 2: Convert to fraction form
1,598,315.09/2,397,474.21 = 445,515.62/x - Step 3: Cross multiply
1,598,315.09x = 2,397,474.21 × 445,515.62 - Step 4: Simplify right side
1,598,315.09x = 1,068,112,209,102.16 - Step 5: Solve for x
x = 1,068,112,209,102.16/1,598,315.09 - Step 6: Final answer
x = 668,273.87
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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.