Finding the Fourth Proportional to 4,305,215.20, 6,464,043.60 and 3,247,679.20
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Solution
The fourth proportional to 4,305,215.20, 6,464,043.60 and 3,247,679.20 is: 4,876,211.52
Step by Step Solution
- Step 1: Write the proportion equation
4,305,215.20 : 6,464,043.60 = 3,247,679.20 : x - Step 2: Convert to fraction form
4,305,215.20/6,464,043.60 = 3,247,679.20/x - Step 3: Cross multiply
4,305,215.20x = 6,464,043.60 × 3,247,679.20 - Step 4: Simplify right side
4,305,215.20x = 20,993,139,947,613.12 - Step 5: Solve for x
x = 20,993,139,947,613.12/4,305,215.20 - Step 6: Final answer
x = 4,876,211.52
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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.