Finding the Fourth Proportional to 4,623,780.70, 6,380,808.37 and 2,586,590.20
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Solution
The fourth proportional to 4,623,780.70, 6,380,808.37 and 2,586,590.20 is: 3,569,489.44
Step by Step Solution
- Step 1: Write the proportion equation
4,623,780.70 : 6,380,808.37 = 2,586,590.20 : x - Step 2: Convert to fraction form
4,623,780.70/6,380,808.37 = 2,586,590.20/x - Step 3: Cross multiply
4,623,780.70x = 6,380,808.37 × 2,586,590.20 - Step 4: Simplify right side
4,623,780.70x = 16,504,536,397,919.97 - Step 5: Solve for x
x = 16,504,536,397,919.97/4,623,780.70 - Step 6: Final answer
x = 3,569,489.44
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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.