Finding the Fourth Proportional to 8,479,984.19, 12,719,555.33 and 2,722,999.62
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Solution
The fourth proportional to 8,479,984.19, 12,719,555.33 and 2,722,999.62 is: 4,084,364.26
Step by Step Solution
- Step 1: Write the proportion equation
8,479,984.19 : 12,719,555.33 = 2,722,999.62 : x - Step 2: Convert to fraction form
8,479,984.19/12,719,555.33 = 2,722,999.62/x - Step 3: Cross multiply
8,479,984.19x = 12,719,555.33 × 2,722,999.62 - Step 4: Simplify right side
8,479,984.19x = 34,635,344,364,242.30 - Step 5: Solve for x
x = 34,635,344,364,242.30/8,479,984.19 - Step 6: Final answer
x = 4,084,364.26
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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.