Finding the Fourth Proportional to 5,342,141.99, 7,372,291.46 and 3,278,297.49
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Solution
The fourth proportional to 5,342,141.99, 7,372,291.46 and 3,278,297.49 is: 4,524,133.70
Step by Step Solution
- Step 1: Write the proportion equation
5,342,141.99 : 7,372,291.46 = 3,278,297.49 : x - Step 2: Convert to fraction form
5,342,141.99/7,372,291.46 = 3,278,297.49/x - Step 3: Cross multiply
5,342,141.99x = 7,372,291.46 × 3,278,297.49 - Step 4: Simplify right side
5,342,141.99x = 24,168,564,572,474.95 - Step 5: Solve for x
x = 24,168,564,572,474.95/5,342,141.99 - Step 6: Final answer
x = 4,524,133.70
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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.