Finding the Fourth Proportional to 4,317,703.20, 6,476,554.80 and 4,193,287.20
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Solution
The fourth proportional to 4,317,703.20, 6,476,554.80 and 4,193,287.20 is: 6,289,930.80
Step by Step Solution
- Step 1: Write the proportion equation
4,317,703.20 : 6,476,554.80 = 4,193,287.20 : x - Step 2: Convert to fraction form
4,317,703.20/6,476,554.80 = 4,193,287.20/x - Step 3: Cross multiply
4,317,703.20x = 6,476,554.80 × 4,193,287.20 - Step 4: Simplify right side
4,317,703.20x = 27,158,054,342,938.56 - Step 5: Solve for x
x = 27,158,054,342,938.56/4,317,703.20 - Step 6: Final answer
x = 6,289,930.80
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Similar ratio
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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.