Finding the Fourth Proportional to 1,531,247.40, 2,113,100.58 and 852,183.96
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Solution
The fourth proportional to 1,531,247.40, 2,113,100.58 and 852,183.96 is: 1,176,002.27
Step by Step Solution
- Step 1: Write the proportion equation
1,531,247.40 : 2,113,100.58 = 852,183.96 : x - Step 2: Convert to fraction form
1,531,247.40/2,113,100.58 = 852,183.96/x - Step 3: Cross multiply
1,531,247.40x = 2,113,100.58 × 852,183.96 - Step 4: Simplify right side
1,531,247.40x = 1,800,750,420,142.70 - Step 5: Solve for x
x = 1,800,750,420,142.70/1,531,247.40 - Step 6: Final answer
x = 1,176,002.27
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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.