Finding the Fourth Proportional to 4,288,544.91, 6,427,832.45 and 1,591,149.60
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Solution
The fourth proportional to 4,288,544.91, 6,427,832.45 and 1,591,149.60 is: 2,384,874.88
Step by Step Solution
- Step 1: Write the proportion equation
4,288,544.91 : 6,427,832.45 = 1,591,149.60 : x - Step 2: Convert to fraction form
4,288,544.91/6,427,832.45 = 1,591,149.60/x - Step 3: Cross multiply
4,288,544.91x = 6,427,832.45 × 1,591,149.60 - Step 4: Simplify right side
4,288,544.91x = 10,227,643,031,684.52 - Step 5: Solve for x
x = 10,227,643,031,684.52/4,288,544.91 - Step 6: Final answer
x = 2,384,874.88
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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.