Finding the Fourth Proportional to 2,676,079.44, 3,687,889.92 and 2,626,889.76
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Solution
The fourth proportional to 2,676,079.44, 3,687,889.92 and 2,626,889.76 is: 3,620,101.90
Step by Step Solution
- Step 1: Write the proportion equation
2,676,079.44 : 3,687,889.92 = 2,626,889.76 : x - Step 2: Convert to fraction form
2,676,079.44/3,687,889.92 = 2,626,889.76/x - Step 3: Cross multiply
2,676,079.44x = 3,687,889.92 × 2,626,889.76 - Step 4: Simplify right side
2,676,079.44x = 9,687,680,266,855.22 - Step 5: Solve for x
x = 9,687,680,266,855.22/2,676,079.44 - Step 6: Final answer
x = 3,620,101.90
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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.