Finding the Fourth Proportional to 2,037,406.60, 2,811,604.66 and 1,107,106.21
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Solution
The fourth proportional to 2,037,406.60, 2,811,604.66 and 1,107,106.21 is: 1,527,797.63
Step by Step Solution
- Step 1: Write the proportion equation
2,037,406.60 : 2,811,604.66 = 1,107,106.21 : x - Step 2: Convert to fraction form
2,037,406.60/2,811,604.66 = 1,107,106.21/x - Step 3: Cross multiply
2,037,406.60x = 2,811,604.66 × 1,107,106.21 - Step 4: Simplify right side
2,037,406.60x = 3,112,744,979,150.94 - Step 5: Solve for x
x = 3,112,744,979,150.94/2,037,406.60 - Step 6: Final answer
x = 1,527,797.63
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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.