Finding the Fourth Proportional to 3,885,774.64, 5,829,150.24 and 2,086,184.56
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Solution
The fourth proportional to 3,885,774.64, 5,829,150.24 and 2,086,184.56 is: 3,129,538.99
Step by Step Solution
- Step 1: Write the proportion equation
3,885,774.64 : 5,829,150.24 = 2,086,184.56 : x - Step 2: Convert to fraction form
3,885,774.64/5,829,150.24 = 2,086,184.56/x - Step 3: Cross multiply
3,885,774.64x = 5,829,150.24 × 2,086,184.56 - Step 4: Simplify right side
3,885,774.64x = 12,160,683,228,608.29 - Step 5: Solve for x
x = 12,160,683,228,608.29/3,885,774.64 - Step 6: Final answer
x = 3,129,538.99
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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.