Finding the Fourth Proportional to 4,154,846.20, 6,231,102.90 and 1,315,828.60
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Solution
The fourth proportional to 4,154,846.20, 6,231,102.90 and 1,315,828.60 is: 1,973,373.50
Step by Step Solution
- Step 1: Write the proportion equation
4,154,846.20 : 6,231,102.90 = 1,315,828.60 : x - Step 2: Convert to fraction form
4,154,846.20/6,231,102.90 = 1,315,828.60/x - Step 3: Cross multiply
4,154,846.20x = 6,231,102.90 × 1,315,828.60 - Step 4: Simplify right side
4,154,846.20x = 8,199,063,405,362.94 - Step 5: Solve for x
x = 8,199,063,405,362.94/4,154,846.20 - Step 6: Final answer
x = 1,973,373.50
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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.