Finding the Fourth Proportional to 4,786,776.14, 7,169,608.28 and 3,956,688.14
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Solution
The fourth proportional to 4,786,776.14, 7,169,608.28 and 3,956,688.14 is: 5,926,306.81
Step by Step Solution
- Step 1: Write the proportion equation
4,786,776.14 : 7,169,608.28 = 3,956,688.14 : x - Step 2: Convert to fraction form
4,786,776.14/7,169,608.28 = 3,956,688.14/x - Step 3: Cross multiply
4,786,776.14x = 7,169,608.28 × 3,956,688.14 - Step 4: Simplify right side
4,786,776.14x = 28,367,904,014,073.76 - Step 5: Solve for x
x = 28,367,904,014,073.76/4,786,776.14 - Step 6: Final answer
x = 5,926,306.81
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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.