Finding the Fourth Proportional to 1,672,745.92, 2,509,120.88 and 458,332.92
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Solution
The fourth proportional to 1,672,745.92, 2,509,120.88 and 458,332.92 is: 687,499.93
Step by Step Solution
- Step 1: Write the proportion equation
1,672,745.92 : 2,509,120.88 = 458,332.92 : x - Step 2: Convert to fraction form
1,672,745.92/2,509,120.88 = 458,332.92/x - Step 3: Cross multiply
1,672,745.92x = 2,509,120.88 × 458,332.92 - Step 4: Simplify right side
1,672,745.92x = 1,150,012,699,563.37 - Step 5: Solve for x
x = 1,150,012,699,563.37/1,672,745.92 - Step 6: Final answer
x = 687,499.93
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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.