Finding the Fourth Proportional to 2,861,977.20, 4,294,934.08 and 1,179,080.70
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Solution
The fourth proportional to 2,861,977.20, 4,294,934.08 and 1,179,080.70 is: 1,769,431.94
Step by Step Solution
- Step 1: Write the proportion equation
2,861,977.20 : 4,294,934.08 = 1,179,080.70 : x - Step 2: Convert to fraction form
2,861,977.20/4,294,934.08 = 1,179,080.70/x - Step 3: Cross multiply
2,861,977.20x = 4,294,934.08 × 1,179,080.70 - Step 4: Simplify right side
2,861,977.20x = 5,064,073,881,500.26 - Step 5: Solve for x
x = 5,064,073,881,500.26/2,861,977.20 - Step 6: Final answer
x = 1,769,431.94
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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.