Finding the Fourth Proportional to 2,783,124.40, 4,165,355.40 and 2,447,201.20
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Solution
The fourth proportional to 2,783,124.40, 4,165,355.40 and 2,447,201.20 is: 3,662,596.88
Step by Step Solution
- Step 1: Write the proportion equation
2,783,124.40 : 4,165,355.40 = 2,447,201.20 : x - Step 2: Convert to fraction form
2,783,124.40/4,165,355.40 = 2,447,201.20/x - Step 3: Cross multiply
2,783,124.40x = 4,165,355.40 × 2,447,201.20 - Step 4: Simplify right side
2,783,124.40x = 10,193,462,733,306.48 - Step 5: Solve for x
x = 10,193,462,733,306.48/2,783,124.40 - Step 6: Final answer
x = 3,662,596.88
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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.