Finding the Fourth Proportional to 3,403,232.70, 5,104,849.05 and 2,143,520.70
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Solution
The fourth proportional to 3,403,232.70, 5,104,849.05 and 2,143,520.70 is: 3,215,281.05
Step by Step Solution
- Step 1: Write the proportion equation
3,403,232.70 : 5,104,849.05 = 2,143,520.70 : x - Step 2: Convert to fraction form
3,403,232.70/5,104,849.05 = 2,143,520.70/x - Step 3: Cross multiply
3,403,232.70x = 5,104,849.05 × 2,143,520.70 - Step 4: Simplify right side
3,403,232.70x = 10,942,349,609,050.34 - Step 5: Solve for x
x = 10,942,349,609,050.34/3,403,232.70 - Step 6: Final answer
x = 3,215,281.05
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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.