Finding the Fourth Proportional to 4,330,909.50, 6,493,370.49 and 3,117,231.42
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Solution
The fourth proportional to 4,330,909.50, 6,493,370.49 and 3,117,231.42 is: 4,673,692.33
Step by Step Solution
- Step 1: Write the proportion equation
4,330,909.50 : 6,493,370.49 = 3,117,231.42 : x - Step 2: Convert to fraction form
4,330,909.50/6,493,370.49 = 3,117,231.42/x - Step 3: Cross multiply
4,330,909.50x = 6,493,370.49 × 3,117,231.42 - Step 4: Simplify right side
4,330,909.50x = 20,241,338,513,128.80 - Step 5: Solve for x
x = 20,241,338,513,128.80/4,330,909.50 - Step 6: Final answer
x = 4,673,692.33
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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.