Finding the Fourth Proportional to 2,903,908.80, 4,347,568.80 and 2,605,310.40
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Solution
The fourth proportional to 2,903,908.80, 4,347,568.80 and 2,605,310.40 is: 3,900,524.08
Step by Step Solution
- Step 1: Write the proportion equation
2,903,908.80 : 4,347,568.80 = 2,605,310.40 : x - Step 2: Convert to fraction form
2,903,908.80/4,347,568.80 = 2,605,310.40/x - Step 3: Cross multiply
2,903,908.80x = 4,347,568.80 × 2,605,310.40 - Step 4: Simplify right side
2,903,908.80x = 11,326,766,209,355.52 - Step 5: Solve for x
x = 11,326,766,209,355.52/2,903,908.80 - Step 6: Final answer
x = 3,900,524.08
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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.