Finding the Fourth Proportional to 3,216,358.08, 4,438,260 and 1,858,201.92
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Solution
The fourth proportional to 3,216,358.08, 4,438,260 and 1,858,201.92 is: 2,564,137.15
Step by Step Solution
- Step 1: Write the proportion equation
3,216,358.08 : 4,438,260 = 1,858,201.92 : x - Step 2: Convert to fraction form
3,216,358.08/4,438,260 = 1,858,201.92/x - Step 3: Cross multiply
3,216,358.08x = 4,438,260 × 1,858,201.92 - Step 4: Simplify right side
3,216,358.08x = 8,247,183,253,459.20 - Step 5: Solve for x
x = 8,247,183,253,459.20/3,216,358.08 - Step 6: Final answer
x = 2,564,137.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.