Finding the Fourth Proportional to 4,311,900.23, 6,472,336.41 and 3,175,945.08
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Solution
The fourth proportional to 4,311,900.23, 6,472,336.41 and 3,175,945.08 is: 4,767,221.85
Step by Step Solution
- Step 1: Write the proportion equation
4,311,900.23 : 6,472,336.41 = 3,175,945.08 : x - Step 2: Convert to fraction form
4,311,900.23/6,472,336.41 = 3,175,945.08/x - Step 3: Cross multiply
4,311,900.23x = 6,472,336.41 × 3,175,945.08 - Step 4: Simplify right side
4,311,900.23x = 20,555,784,977,444.36 - Step 5: Solve for x
x = 20,555,784,977,444.36/4,311,900.23 - Step 6: Final answer
x = 4,767,221.85
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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.