Finding the Fourth Proportional to 1,448,378.50, 2,000,421.21 and 953,872.97
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Solution
The fourth proportional to 1,448,378.50, 2,000,421.21 and 953,872.97 is: 1,317,437.20
Step by Step Solution
- Step 1: Write the proportion equation
1,448,378.50 : 2,000,421.21 = 953,872.97 : x - Step 2: Convert to fraction form
1,448,378.50/2,000,421.21 = 953,872.97/x - Step 3: Cross multiply
1,448,378.50x = 2,000,421.21 × 953,872.97 - Step 4: Simplify right side
1,448,378.50x = 1,908,147,714,669.26 - Step 5: Solve for x
x = 1,908,147,714,669.26/1,448,378.50 - Step 6: Final answer
x = 1,317,437.20
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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.