Finding the Fourth Proportional to 3,965,083.99, 5,471,815.90 and 2,246,204.50
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Solution
The fourth proportional to 3,965,083.99, 5,471,815.90 and 2,246,204.50 is: 3,099,762.21
Step by Step Solution
- Step 1: Write the proportion equation
3,965,083.99 : 5,471,815.90 = 2,246,204.50 : x - Step 2: Convert to fraction form
3,965,083.99/5,471,815.90 = 2,246,204.50/x - Step 3: Cross multiply
3,965,083.99x = 5,471,815.90 × 2,246,204.50 - Step 4: Simplify right side
3,965,083.99x = 12,290,817,497,751.55 - Step 5: Solve for x
x = 12,290,817,497,751.55/3,965,083.99 - Step 6: Final answer
x = 3,099,762.21
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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.