Finding the Fourth Proportional to 2,079,352.62, 3,119,139.90 and 659,518.20
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Solution
The fourth proportional to 2,079,352.62, 3,119,139.90 and 659,518.20 is: 989,312.50
Step by Step Solution
- Step 1: Write the proportion equation
2,079,352.62 : 3,119,139.90 = 659,518.20 : x - Step 2: Convert to fraction form
2,079,352.62/3,119,139.90 = 659,518.20/x - Step 3: Cross multiply
2,079,352.62x = 3,119,139.90 × 659,518.20 - Step 4: Simplify right side
2,079,352.62x = 2,057,129,532,396.18 - Step 5: Solve for x
x = 2,057,129,532,396.18/2,079,352.62 - Step 6: Final answer
x = 989,312.50
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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.