Finding the Fourth Proportional to 4,800,918.99, 6,625,874.87 and 3,148,456.52
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Solution
The fourth proportional to 4,800,918.99, 6,625,874.87 and 3,148,456.52 is: 4,345,267.84
Step by Step Solution
- Step 1: Write the proportion equation
4,800,918.99 : 6,625,874.87 = 3,148,456.52 : x - Step 2: Convert to fraction form
4,800,918.99/6,625,874.87 = 3,148,456.52/x - Step 3: Cross multiply
4,800,918.99x = 6,625,874.87 × 3,148,456.52 - Step 4: Simplify right side
4,800,918.99x = 20,861,278,886,284.00 - Step 5: Solve for x
x = 20,861,278,886,284.00/4,800,918.99 - Step 6: Final answer
x = 4,345,267.84
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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.