Finding the Fourth Proportional to 2,080,357.70, 3,122,869.35 and 1,609,132.10
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Solution
The fourth proportional to 2,080,357.70, 3,122,869.35 and 1,609,132.10 is: 2,415,502.54
Step by Step Solution
- Step 1: Write the proportion equation
2,080,357.70 : 3,122,869.35 = 1,609,132.10 : x - Step 2: Convert to fraction form
2,080,357.70/3,122,869.35 = 1,609,132.10/x - Step 3: Cross multiply
2,080,357.70x = 3,122,869.35 × 1,609,132.10 - Step 4: Simplify right side
2,080,357.70x = 5,025,109,315,191.14 - Step 5: Solve for x
x = 5,025,109,315,191.14/2,080,357.70 - Step 6: Final answer
x = 2,415,502.54
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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.