Finding the Fourth Proportional to 1,681,153.24, 2,519,628.42 and 1,080,515.80
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Solution
The fourth proportional to 1,681,153.24, 2,519,628.42 and 1,080,515.80 is: 1,619,423.06
Step by Step Solution
- Step 1: Write the proportion equation
1,681,153.24 : 2,519,628.42 = 1,080,515.80 : x - Step 2: Convert to fraction form
1,681,153.24/2,519,628.42 = 1,080,515.80/x - Step 3: Cross multiply
1,681,153.24x = 2,519,628.42 × 1,080,515.80 - Step 4: Simplify right side
1,681,153.24x = 2,722,498,317,939.04 - Step 5: Solve for x
x = 2,722,498,317,939.04/1,681,153.24 - Step 6: Final answer
x = 1,619,423.06
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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.