Finding the Fourth Proportional to 3,165,463.80, 4,748,195.70 and 1,485,847.80
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Solution
The fourth proportional to 3,165,463.80, 4,748,195.70 and 1,485,847.80 is: 2,228,771.70
Step by Step Solution
- Step 1: Write the proportion equation
3,165,463.80 : 4,748,195.70 = 1,485,847.80 : x - Step 2: Convert to fraction form
3,165,463.80/4,748,195.70 = 1,485,847.80/x - Step 3: Cross multiply
3,165,463.80x = 4,748,195.70 × 1,485,847.80 - Step 4: Simplify right side
3,165,463.80x = 7,055,096,134,814.46 - Step 5: Solve for x
x = 7,055,096,134,814.46/3,165,463.80 - Step 6: Final answer
x = 2,228,771.70
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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.