Finding the Fourth Proportional to 8,858,387.60, 13,287,581.40 and 2,126,801.60
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Solution
The fourth proportional to 8,858,387.60, 13,287,581.40 and 2,126,801.60 is: 3,190,202.40
Step by Step Solution
- Step 1: Write the proportion equation
8,858,387.60 : 13,287,581.40 = 2,126,801.60 : x - Step 2: Convert to fraction form
8,858,387.60/13,287,581.40 = 2,126,801.60/x - Step 3: Cross multiply
8,858,387.60x = 13,287,581.40 × 2,126,801.60 - Step 4: Simplify right side
8,858,387.60x = 28,260,049,381,650.24 - Step 5: Solve for x
x = 28,260,049,381,650.24/8,858,387.60 - Step 6: Final answer
x = 3,190,202.40
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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.