Finding the Fourth Proportional to 5,425,923.84, 7,488,153.36 and 3,587,187.48
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Solution
The fourth proportional to 5,425,923.84, 7,488,153.36 and 3,587,187.48 is: 4,950,568.93
Step by Step Solution
- Step 1: Write the proportion equation
5,425,923.84 : 7,488,153.36 = 3,587,187.48 : x - Step 2: Convert to fraction form
5,425,923.84/7,488,153.36 = 3,587,187.48/x - Step 3: Cross multiply
5,425,923.84x = 7,488,153.36 × 3,587,187.48 - Step 4: Simplify right side
5,425,923.84x = 26,861,409,981,311.93 - Step 5: Solve for x
x = 26,861,409,981,311.93/5,425,923.84 - Step 6: Final answer
x = 4,950,568.93
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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.