Finding the Fourth Proportional to 5,412,524.70, 7,468,970.20 and 2,964,709.62
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Solution
The fourth proportional to 5,412,524.70, 7,468,970.20 and 2,964,709.62 is: 4,091,127.34
Step by Step Solution
- Step 1: Write the proportion equation
5,412,524.70 : 7,468,970.20 = 2,964,709.62 : x - Step 2: Convert to fraction form
5,412,524.70/7,468,970.20 = 2,964,709.62/x - Step 3: Cross multiply
5,412,524.70x = 7,468,970.20 × 2,964,709.62 - Step 4: Simplify right side
5,412,524.70x = 22,143,327,803,433.32 - Step 5: Solve for x
x = 22,143,327,803,433.32/5,412,524.70 - Step 6: Final answer
x = 4,091,127.34
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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.