Finding the Fourth Proportional to 1,977,037.97, 2,964,975.64 and 839,791.13
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Solution
The fourth proportional to 1,977,037.97, 2,964,975.64 and 839,791.13 is: 1,259,439.76
Step by Step Solution
- Step 1: Write the proportion equation
1,977,037.97 : 2,964,975.64 = 839,791.13 : x - Step 2: Convert to fraction form
1,977,037.97/2,964,975.64 = 839,791.13/x - Step 3: Cross multiply
1,977,037.97x = 2,964,975.64 × 839,791.13 - Step 4: Simplify right side
1,977,037.97x = 2,489,960,226,213.72 - Step 5: Solve for x
x = 2,489,960,226,213.72/1,977,037.97 - Step 6: Final answer
x = 1,259,439.76
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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.