Finding the Fourth Proportional to 3,430,912.15, 4,734,694.83 and 1,882,176.96
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Solution
The fourth proportional to 3,430,912.15, 4,734,694.83 and 1,882,176.96 is: 2,597,423.99
Step by Step Solution
- Step 1: Write the proportion equation
3,430,912.15 : 4,734,694.83 = 1,882,176.96 : x - Step 2: Convert to fraction form
3,430,912.15/4,734,694.83 = 1,882,176.96/x - Step 3: Cross multiply
3,430,912.15x = 4,734,694.83 × 1,882,176.96 - Step 4: Simplify right side
3,430,912.15x = 8,911,533,521,657.12 - Step 5: Solve for x
x = 8,911,533,521,657.12/3,430,912.15 - Step 6: Final answer
x = 2,597,423.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.