Finding the Fourth Proportional to 4,624,975.91, 6,382,478.90 and 2,560,133.87
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Solution
The fourth proportional to 4,624,975.91, 6,382,478.90 and 2,560,133.87 is: 3,532,991.46
Step by Step Solution
- Step 1: Write the proportion equation
4,624,975.91 : 6,382,478.90 = 2,560,133.87 : x - Step 2: Convert to fraction form
4,624,975.91/6,382,478.90 = 2,560,133.87/x - Step 3: Cross multiply
4,624,975.91x = 6,382,478.90 × 2,560,133.87 - Step 4: Simplify right side
4,624,975.91x = 16,340,000,406,450.34 - Step 5: Solve for x
x = 16,340,000,406,450.34/4,624,975.91 - Step 6: Final answer
x = 3,532,991.46
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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.