Finding the Fourth Proportional to 3,621,953.87, 4,997,206.37 and 2,171,119.94
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Solution
The fourth proportional to 3,621,953.87, 4,997,206.37 and 2,171,119.94 is: 2,995,492.15
Step by Step Solution
- Step 1: Write the proportion equation
3,621,953.87 : 4,997,206.37 = 2,171,119.94 : x - Step 2: Convert to fraction form
3,621,953.87/4,997,206.37 = 2,171,119.94/x - Step 3: Cross multiply
3,621,953.87x = 4,997,206.37 × 2,171,119.94 - Step 4: Simplify right side
3,621,953.87x = 10,849,534,394,202.02 - Step 5: Solve for x
x = 10,849,534,394,202.02/3,621,953.87 - Step 6: Final answer
x = 2,995,492.15
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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.