Finding the Fourth Proportional to 1,939,244.10, 2,676,278.42 and 1,068,078.62
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Solution
The fourth proportional to 1,939,244.10, 2,676,278.42 and 1,068,078.62 is: 1,474,015.45
Step by Step Solution
- Step 1: Write the proportion equation
1,939,244.10 : 2,676,278.42 = 1,068,078.62 : x - Step 2: Convert to fraction form
1,939,244.10/2,676,278.42 = 1,068,078.62/x - Step 3: Cross multiply
1,939,244.10x = 2,676,278.42 × 1,068,078.62 - Step 4: Simplify right side
1,939,244.10x = 2,858,475,761,569.38 - Step 5: Solve for x
x = 2,858,475,761,569.38/1,939,244.10 - Step 6: Final answer
x = 1,474,015.45
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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.