Finding the Fourth Proportional to 3,891,669.87, 5,832,441.39 and 1,583,473.05
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Solution
The fourth proportional to 3,891,669.87, 5,832,441.39 and 1,583,473.05 is: 2,373,149.33
Step by Step Solution
- Step 1: Write the proportion equation
3,891,669.87 : 5,832,441.39 = 1,583,473.05 : x - Step 2: Convert to fraction form
3,891,669.87/5,832,441.39 = 1,583,473.05/x - Step 3: Cross multiply
3,891,669.87x = 5,832,441.39 × 1,583,473.05 - Step 4: Simplify right side
3,891,669.87x = 9,235,513,756,769.54 - Step 5: Solve for x
x = 9,235,513,756,769.54/3,891,669.87 - Step 6: Final answer
x = 2,373,149.33
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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.