Finding the Fourth Proportional to 7,149,077.34, 10,720,245.84 and 2,596,917.06
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Solution
The fourth proportional to 7,149,077.34, 10,720,245.84 and 2,596,917.06 is: 3,894,151.37
Step by Step Solution
- Step 1: Write the proportion equation
7,149,077.34 : 10,720,245.84 = 2,596,917.06 : x - Step 2: Convert to fraction form
7,149,077.34/10,720,245.84 = 2,596,917.06/x - Step 3: Cross multiply
7,149,077.34x = 10,720,245.84 × 2,596,917.06 - Step 4: Simplify right side
7,149,077.34x = 27,839,589,309,290.03 - Step 5: Solve for x
x = 27,839,589,309,290.03/7,149,077.34 - Step 6: Final answer
x = 3,894,151.37
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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.