Finding the Fourth Proportional to 3,328,913.99, 4,597,074.04 and 3,147,557.15
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Solution
The fourth proportional to 3,328,913.99, 4,597,074.04 and 3,147,557.15 is: 4,346,628.75
Step by Step Solution
- Step 1: Write the proportion equation
3,328,913.99 : 4,597,074.04 = 3,147,557.15 : x - Step 2: Convert to fraction form
3,328,913.99/4,597,074.04 = 3,147,557.15/x - Step 3: Cross multiply
3,328,913.99x = 4,597,074.04 × 3,147,557.15 - Step 4: Simplify right side
3,328,913.99x = 14,469,553,232,827.12 - Step 5: Solve for x
x = 14,469,553,232,827.12/3,328,913.99 - Step 6: Final answer
x = 4,346,628.75
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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.