Finding the Fourth Proportional to 5,430,170.10, 8,148,207.60 and 2,235,619.20
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Solution
The fourth proportional to 5,430,170.10, 8,148,207.60 and 2,235,619.20 is: 3,354,644.33
Step by Step Solution
- Step 1: Write the proportion equation
5,430,170.10 : 8,148,207.60 = 2,235,619.20 : x - Step 2: Convert to fraction form
5,430,170.10/8,148,207.60 = 2,235,619.20/x - Step 3: Cross multiply
5,430,170.10x = 8,148,207.60 × 2,235,619.20 - Step 4: Simplify right side
5,430,170.10x = 18,216,289,356,145.92 - Step 5: Solve for x
x = 18,216,289,356,145.92/5,430,170.10 - Step 6: Final answer
x = 3,354,644.33
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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.