Finding the Fourth Proportional to 1,939,243.10, 2,676,277.04 and 1,068,077.62
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Solution
The fourth proportional to 1,939,243.10, 2,676,277.04 and 1,068,077.62 is: 1,474,014.07
Step by Step Solution
- Step 1: Write the proportion equation
1,939,243.10 : 2,676,277.04 = 1,068,077.62 : x - Step 2: Convert to fraction form
1,939,243.10/2,676,277.04 = 1,068,077.62/x - Step 3: Cross multiply
1,939,243.10x = 2,676,277.04 × 1,068,077.62 - Step 4: Simplify right side
1,939,243.10x = 2,858,471,629,271.47 - Step 5: Solve for x
x = 2,858,471,629,271.47/1,939,243.10 - Step 6: Final answer
x = 1,474,014.07
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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.