Finding the Fourth Proportional to 1,434,112.68, 2,151,169.20 and 474,310.65
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Solution
The fourth proportional to 1,434,112.68, 2,151,169.20 and 474,310.65 is: 711,466.03
Step by Step Solution
- Step 1: Write the proportion equation
1,434,112.68 : 2,151,169.20 = 474,310.65 : x - Step 2: Convert to fraction form
1,434,112.68/2,151,169.20 = 474,310.65/x - Step 3: Cross multiply
1,434,112.68x = 2,151,169.20 × 474,310.65 - Step 4: Simplify right side
1,434,112.68x = 1,020,322,461,511.98 - Step 5: Solve for x
x = 1,020,322,461,511.98/1,434,112.68 - Step 6: Final answer
x = 711,466.03
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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.