Finding the Fourth Proportional to 4,338,213.20, 6,507,342.88 and 1,305,558.24
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Solution
The fourth proportional to 4,338,213.20, 6,507,342.88 and 1,305,558.24 is: 1,958,344.31
Step by Step Solution
- Step 1: Write the proportion equation
4,338,213.20 : 6,507,342.88 = 1,305,558.24 : x - Step 2: Convert to fraction form
4,338,213.20/6,507,342.88 = 1,305,558.24/x - Step 3: Cross multiply
4,338,213.20x = 6,507,342.88 × 1,305,558.24 - Step 4: Simplify right side
4,338,213.20x = 8,495,715,117,489.33 - Step 5: Solve for x
x = 8,495,715,117,489.33/4,338,213.20 - Step 6: Final answer
x = 1,958,344.31
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1.5x scale
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.