Finding the Fourth Proportional to 4,412,095.57, 6,618,524.61 and 1,217,221.75
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Solution
The fourth proportional to 4,412,095.57, 6,618,524.61 and 1,217,221.75 is: 1,825,937.81
Step by Step Solution
- Step 1: Write the proportion equation
4,412,095.57 : 6,618,524.61 = 1,217,221.75 : x - Step 2: Convert to fraction form
4,412,095.57/6,618,524.61 = 1,217,221.75/x - Step 3: Cross multiply
4,412,095.57x = 6,618,524.61 × 1,217,221.75 - Step 4: Simplify right side
4,412,095.57x = 8,056,212,102,116.16 - Step 5: Solve for x
x = 8,056,212,102,116.16/4,412,095.57 - Step 6: Final answer
x = 1,825,937.81
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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.