Finding the Fourth Proportional to 1,836,160.19, 2,754,021.18 and 488,421.44
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Solution
The fourth proportional to 1,836,160.19, 2,754,021.18 and 488,421.44 is: 732,573.88
Step by Step Solution
- Step 1: Write the proportion equation
1,836,160.19 : 2,754,021.18 = 488,421.44 : x - Step 2: Convert to fraction form
1,836,160.19/2,754,021.18 = 488,421.44/x - Step 3: Cross multiply
1,836,160.19x = 2,754,021.18 × 488,421.44 - Step 4: Simplify right side
1,836,160.19x = 1,345,122,990,526.10 - Step 5: Solve for x
x = 1,345,122,990,526.10/1,836,160.19 - Step 6: Final answer
x = 732,573.88
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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.