Finding the Fourth Proportional to 2,957,901.69, 4,425,178.80 and 2,240,311.08
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Solution
The fourth proportional to 2,957,901.69, 4,425,178.80 and 2,240,311.08 is: 3,351,624.95
Step by Step Solution
- Step 1: Write the proportion equation
2,957,901.69 : 4,425,178.80 = 2,240,311.08 : x - Step 2: Convert to fraction form
2,957,901.69/4,425,178.80 = 2,240,311.08/x - Step 3: Cross multiply
2,957,901.69x = 4,425,178.80 × 2,240,311.08 - Step 4: Simplify right side
2,957,901.69x = 9,913,777,096,621.10 - Step 5: Solve for x
x = 9,913,777,096,621.10/2,957,901.69 - Step 6: Final answer
x = 3,351,624.95
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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.