Finding the Fourth Proportional to 2,049,267.40, 3,074,438.70 and 787,136.20
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Solution
The fourth proportional to 2,049,267.40, 3,074,438.70 and 787,136.20 is: 1,180,910.80
Step by Step Solution
- Step 1: Write the proportion equation
2,049,267.40 : 3,074,438.70 = 787,136.20 : x - Step 2: Convert to fraction form
2,049,267.40/3,074,438.70 = 787,136.20/x - Step 3: Cross multiply
2,049,267.40x = 3,074,438.70 × 787,136.20 - Step 4: Simplify right side
2,049,267.40x = 2,420,001,995,450.94 - Step 5: Solve for x
x = 2,420,001,995,450.94/2,049,267.40 - Step 6: Final answer
x = 1,180,910.80
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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.