Finding the Fourth Proportional to 3,385,778.76, 5,077,487.12 and 1,491,486.84
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Solution
The fourth proportional to 3,385,778.76, 5,077,487.12 and 1,491,486.84 is: 2,236,710.00
Step by Step Solution
- Step 1: Write the proportion equation
3,385,778.76 : 5,077,487.12 = 1,491,486.84 : x - Step 2: Convert to fraction form
3,385,778.76/5,077,487.12 = 1,491,486.84/x - Step 3: Cross multiply
3,385,778.76x = 5,077,487.12 × 1,491,486.84 - Step 4: Simplify right side
3,385,778.76x = 7,573,005,219,749.50 - Step 5: Solve for x
x = 7,573,005,219,749.50/3,385,778.76 - Step 6: Final answer
x = 2,236,710.00
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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.