Finding the Fourth Proportional to 1,403,872.93, 2,106,042.18 and 492,819.13
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Solution
The fourth proportional to 1,403,872.93, 2,106,042.18 and 492,819.13 is: 739,310.42
Step by Step Solution
- Step 1: Write the proportion equation
1,403,872.93 : 2,106,042.18 = 492,819.13 : x - Step 2: Convert to fraction form
1,403,872.93/2,106,042.18 = 492,819.13/x - Step 3: Cross multiply
1,403,872.93x = 2,106,042.18 × 492,819.13 - Step 4: Simplify right side
1,403,872.93x = 1,037,897,874,890.90 - Step 5: Solve for x
x = 1,037,897,874,890.90/1,403,872.93 - Step 6: Final answer
x = 739,310.42
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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.