Finding the Fourth Proportional to 2,134,311.07, 2,945,358.09 and 1,154,250.08
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Solution
The fourth proportional to 2,134,311.07, 2,945,358.09 and 1,154,250.08 is: 1,592,869.88
Step by Step Solution
- Step 1: Write the proportion equation
2,134,311.07 : 2,945,358.09 = 1,154,250.08 : x - Step 2: Convert to fraction form
2,134,311.07/2,945,358.09 = 1,154,250.08/x - Step 3: Cross multiply
2,134,311.07x = 2,945,358.09 × 1,154,250.08 - Step 4: Simplify right side
2,134,311.07x = 3,399,679,811,011.15 - Step 5: Solve for x
x = 3,399,679,811,011.15/2,134,311.07 - Step 6: Final answer
x = 1,592,869.88
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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.