Finding the Fourth Proportional to 4,172,025.96, 6,257,986.14 and 1,332,102.12
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Solution
The fourth proportional to 4,172,025.96, 6,257,986.14 and 1,332,102.12 is: 1,998,136.32
Step by Step Solution
- Step 1: Write the proportion equation
4,172,025.96 : 6,257,986.14 = 1,332,102.12 : x - Step 2: Convert to fraction form
4,172,025.96/6,257,986.14 = 1,332,102.12/x - Step 3: Cross multiply
4,172,025.96x = 6,257,986.14 × 1,332,102.12 - Step 4: Simplify right side
4,172,025.96x = 8,336,276,604,024.62 - Step 5: Solve for x
x = 8,336,276,604,024.62/4,172,025.96 - Step 6: Final answer
x = 1,998,136.32
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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.