Finding the Fourth Proportional to 2,037,630.11, 2,811,996.99 and 1,119,891.78
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Solution
The fourth proportional to 2,037,630.11, 2,811,996.99 and 1,119,891.78 is: 1,545,487.72
Step by Step Solution
- Step 1: Write the proportion equation
2,037,630.11 : 2,811,996.99 = 1,119,891.78 : x - Step 2: Convert to fraction form
2,037,630.11/2,811,996.99 = 1,119,891.78/x - Step 3: Cross multiply
2,037,630.11x = 2,811,996.99 × 1,119,891.78 - Step 4: Simplify right side
2,037,630.11x = 3,149,132,314,485.74 - Step 5: Solve for x
x = 3,149,132,314,485.74/2,037,630.11 - Step 6: Final answer
x = 1,545,487.72
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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.