Finding the Fourth Proportional to 5,238,920.84, 7,861,399.50 and 2,206,050.44
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Solution
The fourth proportional to 5,238,920.84, 7,861,399.50 and 2,206,050.44 is: 3,310,346.61
Step by Step Solution
- Step 1: Write the proportion equation
5,238,920.84 : 7,861,399.50 = 2,206,050.44 : x - Step 2: Convert to fraction form
5,238,920.84/7,861,399.50 = 2,206,050.44/x - Step 3: Cross multiply
5,238,920.84x = 7,861,399.50 × 2,206,050.44 - Step 4: Simplify right side
5,238,920.84x = 17,342,643,825,990.78 - Step 5: Solve for x
x = 17,342,643,825,990.78/5,238,920.84 - Step 6: Final answer
x = 3,310,346.61
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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.