Finding the Fourth Proportional to 1,651,812.21, 2,477,689.16 and 453,729.87
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Solution
The fourth proportional to 1,651,812.21, 2,477,689.16 and 453,729.87 is: 680,586.80
Step by Step Solution
- Step 1: Write the proportion equation
1,651,812.21 : 2,477,689.16 = 453,729.87 : x - Step 2: Convert to fraction form
1,651,812.21/2,477,689.16 = 453,729.87/x - Step 3: Cross multiply
1,651,812.21x = 2,477,689.16 × 453,729.87 - Step 4: Simplify right side
1,651,812.21x = 1,124,201,578,198.56 - Step 5: Solve for x
x = 1,124,201,578,198.56/1,651,812.21 - Step 6: Final answer
x = 680,586.80
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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.