Finding the Fourth Proportional to 4,609,970.70, 6,912,882.45 and 1,769,138.70
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Solution
The fourth proportional to 4,609,970.70, 6,912,882.45 and 1,769,138.70 is: 2,652,912.28
Step by Step Solution
- Step 1: Write the proportion equation
4,609,970.70 : 6,912,882.45 = 1,769,138.70 : x - Step 2: Convert to fraction form
4,609,970.70/6,912,882.45 = 1,769,138.70/x - Step 3: Cross multiply
4,609,970.70x = 6,912,882.45 × 1,769,138.70 - Step 4: Simplify right side
4,609,970.70x = 12,229,847,870,845.81 - Step 5: Solve for x
x = 12,229,847,870,845.81/4,609,970.70 - Step 6: Final answer
x = 2,652,912.28
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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.