Finding the Fourth Proportional to 3,999,658.46, 5,519,525.11 and 2,257,694.53
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Solution
The fourth proportional to 3,999,658.46, 5,519,525.11 and 2,257,694.53 is: 3,115,616.43
Step by Step Solution
- Step 1: Write the proportion equation
3,999,658.46 : 5,519,525.11 = 2,257,694.53 : x - Step 2: Convert to fraction form
3,999,658.46/5,519,525.11 = 2,257,694.53/x - Step 3: Cross multiply
3,999,658.46x = 5,519,525.11 × 2,257,694.53 - Step 4: Simplify right side
3,999,658.46x = 12,461,401,610,158.55 - Step 5: Solve for x
x = 12,461,401,610,158.55/3,999,658.46 - Step 6: Final answer
x = 3,115,616.43
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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.