Finding the Fourth Proportional to 4,189,376.40, 6,284,064.60 and 2,488,765.20
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Solution
The fourth proportional to 4,189,376.40, 6,284,064.60 and 2,488,765.20 is: 3,733,147.80
Step by Step Solution
- Step 1: Write the proportion equation
4,189,376.40 : 6,284,064.60 = 2,488,765.20 : x - Step 2: Convert to fraction form
4,189,376.40/6,284,064.60 = 2,488,765.20/x - Step 3: Cross multiply
4,189,376.40x = 6,284,064.60 × 2,488,765.20 - Step 4: Simplify right side
4,189,376.40x = 15,639,561,291,031.92 - Step 5: Solve for x
x = 15,639,561,291,031.92/4,189,376.40 - Step 6: Final answer
x = 3,733,147.80
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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.