Finding the Fourth Proportional to 3,576,134.20, 5,364,201.30 and 3,114,239.80
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Solution
The fourth proportional to 3,576,134.20, 5,364,201.30 and 3,114,239.80 is: 4,671,359.70
Step by Step Solution
- Step 1: Write the proportion equation
3,576,134.20 : 5,364,201.30 = 3,114,239.80 : x - Step 2: Convert to fraction form
3,576,134.20/5,364,201.30 = 3,114,239.80/x - Step 3: Cross multiply
3,576,134.20x = 5,364,201.30 × 3,114,239.80 - Step 4: Simplify right side
3,576,134.20x = 16,705,409,183,671.74 - Step 5: Solve for x
x = 16,705,409,183,671.74/3,576,134.20 - Step 6: Final answer
x = 4,671,359.70
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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.