Finding the Fourth Proportional to 6,392,623.88, 9,589,427.90 and 2,132,785.28
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Solution
The fourth proportional to 6,392,623.88, 9,589,427.90 and 2,132,785.28 is: 3,199,342.09
Step by Step Solution
- Step 1: Write the proportion equation
6,392,623.88 : 9,589,427.90 = 2,132,785.28 : x - Step 2: Convert to fraction form
6,392,623.88/9,589,427.90 = 2,132,785.28/x - Step 3: Cross multiply
6,392,623.88x = 9,589,427.90 × 2,132,785.28 - Step 4: Simplify right side
6,392,623.88x = 20,452,190,668,741.31 - Step 5: Solve for x
x = 20,452,190,668,741.31/6,392,623.88 - Step 6: Final answer
x = 3,199,342.09
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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.