Finding the Fourth Proportional to 3,706,979.70, 5,560,469.55 and 1,310,805.30
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Solution
The fourth proportional to 3,706,979.70, 5,560,469.55 and 1,310,805.30 is: 1,966,207.95
Step by Step Solution
- Step 1: Write the proportion equation
3,706,979.70 : 5,560,469.55 = 1,310,805.30 : x - Step 2: Convert to fraction form
3,706,979.70/5,560,469.55 = 1,310,805.30/x - Step 3: Cross multiply
3,706,979.70x = 5,560,469.55 × 1,310,805.30 - Step 4: Simplify right side
3,706,979.70x = 7,288,692,956,628.62 - Step 5: Solve for x
x = 7,288,692,956,628.62/3,706,979.70 - Step 6: Final answer
x = 1,966,207.95
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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.