Finding the Fourth Proportional to 3,560,516.70, 5,340,775.12 and 864,823.75
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Solution
The fourth proportional to 3,560,516.70, 5,340,775.12 and 864,823.75 is: 1,297,235.64
Step by Step Solution
- Step 1: Write the proportion equation
3,560,516.70 : 5,340,775.12 = 864,823.75 : x - Step 2: Convert to fraction form
3,560,516.70/5,340,775.12 = 864,823.75/x - Step 3: Cross multiply
3,560,516.70x = 5,340,775.12 × 864,823.75 - Step 4: Simplify right side
3,560,516.70x = 4,618,829,151,671.10 - Step 5: Solve for x
x = 4,618,829,151,671.10/3,560,516.70 - Step 6: Final answer
x = 1,297,235.64
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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.