Finding the Fourth Proportional to 2,120,046.62, 2,926,184 and 1,202,812.68
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Solution
The fourth proportional to 2,120,046.62, 2,926,184 and 1,202,812.68 is: 1,660,176.33
Step by Step Solution
- Step 1: Write the proportion equation
2,120,046.62 : 2,926,184 = 1,202,812.68 : x - Step 2: Convert to fraction form
2,120,046.62/2,926,184 = 1,202,812.68/x - Step 3: Cross multiply
2,120,046.62x = 2,926,184 × 1,202,812.68 - Step 4: Simplify right side
2,120,046.62x = 3,519,651,219,213.12 - Step 5: Solve for x
x = 3,519,651,219,213.12/2,120,046.62 - Step 6: Final answer
x = 1,660,176.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.