Finding the Fourth Proportional to 1,939,742.26, 2,676,927.28 and 1,080,302.38
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Solution
The fourth proportional to 1,939,742.26, 2,676,927.28 and 1,080,302.38 is: 1,490,863.48
Step by Step Solution
- Step 1: Write the proportion equation
1,939,742.26 : 2,676,927.28 = 1,080,302.38 : x - Step 2: Convert to fraction form
1,939,742.26/2,676,927.28 = 1,080,302.38/x - Step 3: Cross multiply
1,939,742.26x = 2,676,927.28 × 1,080,302.38 - Step 4: Simplify right side
1,939,742.26x = 2,891,890,898,286.29 - Step 5: Solve for x
x = 2,891,890,898,286.29/1,939,742.26 - Step 6: Final answer
x = 1,490,863.48
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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.