Finding the Fourth Proportional to 6,505,412.40, 9,751,120.20 and 2,460,337.20
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Solution
The fourth proportional to 6,505,412.40, 9,751,120.20 and 2,460,337.20 is: 3,687,859.02
Step by Step Solution
- Step 1: Write the proportion equation
6,505,412.40 : 9,751,120.20 = 2,460,337.20 : x - Step 2: Convert to fraction form
6,505,412.40/9,751,120.20 = 2,460,337.20/x - Step 3: Cross multiply
6,505,412.40x = 9,751,120.20 × 2,460,337.20 - Step 4: Simplify right side
6,505,412.40x = 23,991,043,769,731.44 - Step 5: Solve for x
x = 23,991,043,769,731.44/6,505,412.40 - Step 6: Final answer
x = 3,687,859.02
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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.