Finding the Fourth Proportional to 4,209,109.28, 6,313,889.30 and 1,330,257.09
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Solution
The fourth proportional to 4,209,109.28, 6,313,889.30 and 1,330,257.09 is: 1,995,456.87
Step by Step Solution
- Step 1: Write the proportion equation
4,209,109.28 : 6,313,889.30 = 1,330,257.09 : x - Step 2: Convert to fraction form
4,209,109.28/6,313,889.30 = 1,330,257.09/x - Step 3: Cross multiply
4,209,109.28x = 6,313,889.30 × 1,330,257.09 - Step 4: Simplify right side
4,209,109.28x = 8,399,096,000,148.85 - Step 5: Solve for x
x = 8,399,096,000,148.85/4,209,109.28 - Step 6: Final answer
x = 1,995,456.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.