Finding the Fourth Proportional to 2,092,059.70, 3,138,624.15 and 672,129.70
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Solution
The fourth proportional to 2,092,059.70, 3,138,624.15 and 672,129.70 is: 1,008,366.30
Step by Step Solution
- Step 1: Write the proportion equation
2,092,059.70 : 3,138,624.15 = 672,129.70 : x - Step 2: Convert to fraction form
2,092,059.70/3,138,624.15 = 672,129.70/x - Step 3: Cross multiply
2,092,059.70x = 3,138,624.15 × 672,129.70 - Step 4: Simplify right side
2,092,059.70x = 2,109,562,508,352.26 - Step 5: Solve for x
x = 2,109,562,508,352.26/2,092,059.70 - Step 6: Final answer
x = 1,008,366.30
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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.