Finding the Fourth Proportional to 4,373,511.70, 6,560,267.55 and 2,783,125.30
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Solution
The fourth proportional to 4,373,511.70, 6,560,267.55 and 2,783,125.30 is: 4,174,687.95
Step by Step Solution
- Step 1: Write the proportion equation
4,373,511.70 : 6,560,267.55 = 2,783,125.30 : x - Step 2: Convert to fraction form
4,373,511.70/6,560,267.55 = 2,783,125.30/x - Step 3: Cross multiply
4,373,511.70x = 6,560,267.55 × 2,783,125.30 - Step 4: Simplify right side
4,373,511.70x = 18,258,046,593,174.01 - Step 5: Solve for x
x = 18,258,046,593,174.01/4,373,511.70 - Step 6: Final answer
x = 4,174,687.95
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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.