Finding the Fourth Proportional to 5,115,244.14, 7,059,037.50 and 2,823,405.42
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Solution
The fourth proportional to 5,115,244.14, 7,059,037.50 and 2,823,405.42 is: 3,896,299.80
Step by Step Solution
- Step 1: Write the proportion equation
5,115,244.14 : 7,059,037.50 = 2,823,405.42 : x - Step 2: Convert to fraction form
5,115,244.14/7,059,037.50 = 2,823,405.42/x - Step 3: Cross multiply
5,115,244.14x = 7,059,037.50 × 2,823,405.42 - Step 4: Simplify right side
5,115,244.14x = 19,930,524,737,483.25 - Step 5: Solve for x
x = 19,930,524,737,483.25/5,115,244.14 - Step 6: Final answer
x = 3,896,299.80
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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.