Finding the Fourth Proportional to 2,008,690.72, 2,772,475.92 and 1,149,748.96
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Solution
The fourth proportional to 2,008,690.72, 2,772,475.92 and 1,149,748.96 is: 1,586,929.87
Step by Step Solution
- Step 1: Write the proportion equation
2,008,690.72 : 2,772,475.92 = 1,149,748.96 : x - Step 2: Convert to fraction form
2,008,690.72/2,772,475.92 = 1,149,748.96/x - Step 3: Cross multiply
2,008,690.72x = 2,772,475.92 × 1,149,748.96 - Step 4: Simplify right side
2,008,690.72x = 3,187,651,305,645.04 - Step 5: Solve for x
x = 3,187,651,305,645.04/2,008,690.72 - Step 6: Final answer
x = 1,586,929.87
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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.