Finding the Fourth Proportional to 4,545,745.42, 6,274,440.45 and 2,686,882.90
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Solution
The fourth proportional to 4,545,745.42, 6,274,440.45 and 2,686,882.90 is: 3,708,673.76
Step by Step Solution
- Step 1: Write the proportion equation
4,545,745.42 : 6,274,440.45 = 2,686,882.90 : x - Step 2: Convert to fraction form
4,545,745.42/6,274,440.45 = 2,686,882.90/x - Step 3: Cross multiply
4,545,745.42x = 6,274,440.45 × 2,686,882.90 - Step 4: Simplify right side
4,545,745.42x = 16,858,686,752,173.30 - Step 5: Solve for x
x = 16,858,686,752,173.30/4,545,745.42 - Step 6: Final answer
x = 3,708,673.76
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1.5x scale
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.