Finding the Fourth Proportional to 4,352,372.40, 6,530,704.20 and 1,957,911.60
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Solution
The fourth proportional to 4,352,372.40, 6,530,704.20 and 1,957,911.60 is: 2,937,832.60
Step by Step Solution
- Step 1: Write the proportion equation
4,352,372.40 : 6,530,704.20 = 1,957,911.60 : x - Step 2: Convert to fraction form
4,352,372.40/6,530,704.20 = 1,957,911.60/x - Step 3: Cross multiply
4,352,372.40x = 6,530,704.20 × 1,957,911.60 - Step 4: Simplify right side
4,352,372.40x = 12,786,541,509,348.72 - Step 5: Solve for x
x = 12,786,541,509,348.72/4,352,372.40 - Step 6: Final answer
x = 2,937,832.60
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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.