Finding the Fourth Proportional to 4,193,310.72, 6,289,931.52 and 1,201,497.60
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Solution
The fourth proportional to 4,193,310.72, 6,289,931.52 and 1,201,497.60 is: 1,802,236.50
Step by Step Solution
- Step 1: Write the proportion equation
4,193,310.72 : 6,289,931.52 = 1,201,497.60 : x - Step 2: Convert to fraction form
4,193,310.72/6,289,931.52 = 1,201,497.60/x - Step 3: Cross multiply
4,193,310.72x = 6,289,931.52 × 1,201,497.60 - Step 4: Simplify right side
4,193,310.72x = 7,557,337,625,444.35 - Step 5: Solve for x
x = 7,557,337,625,444.35/4,193,310.72 - Step 6: Final answer
x = 1,802,236.50
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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.