Finding the Fourth Proportional to 5,018,878.52, 7,524,085.80 and 2,176,850.24
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Solution
The fourth proportional to 5,018,878.52, 7,524,085.80 and 2,176,850.24 is: 3,263,439.81
Step by Step Solution
- Step 1: Write the proportion equation
5,018,878.52 : 7,524,085.80 = 2,176,850.24 : x - Step 2: Convert to fraction form
5,018,878.52/7,524,085.80 = 2,176,850.24/x - Step 3: Cross multiply
5,018,878.52x = 7,524,085.80 × 2,176,850.24 - Step 4: Simplify right side
5,018,878.52x = 16,378,807,979,510.59 - Step 5: Solve for x
x = 16,378,807,979,510.59/5,018,878.52 - Step 6: Final answer
x = 3,263,439.81
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1.5x scale
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.