Finding the Fourth Proportional to 3,428,074.67, 5,144,478.21 and 1,184,212.67
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Solution
The fourth proportional to 3,428,074.67, 5,144,478.21 and 1,184,212.67 is: 1,777,136.39
Step by Step Solution
- Step 1: Write the proportion equation
3,428,074.67 : 5,144,478.21 = 1,184,212.67 : x - Step 2: Convert to fraction form
3,428,074.67/5,144,478.21 = 1,184,212.67/x - Step 3: Cross multiply
3,428,074.67x = 5,144,478.21 × 1,184,212.67 - Step 4: Simplify right side
3,428,074.67x = 6,092,156,251,098.53 - Step 5: Solve for x
x = 6,092,156,251,098.53/3,428,074.67 - Step 6: Final answer
x = 1,777,136.39
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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.