Finding the Fourth Proportional to 3,863,143.30, 5,795,492.55 and 3,236,397.70
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Solution
The fourth proportional to 3,863,143.30, 5,795,492.55 and 3,236,397.70 is: 4,855,247.99
Step by Step Solution
- Step 1: Write the proportion equation
3,863,143.30 : 5,795,492.55 = 3,236,397.70 : x - Step 2: Convert to fraction form
3,863,143.30/5,795,492.55 = 3,236,397.70/x - Step 3: Cross multiply
3,863,143.30x = 5,795,492.55 × 3,236,397.70 - Step 4: Simplify right side
3,863,143.30x = 18,756,518,759,187.14 - Step 5: Solve for x
x = 18,756,518,759,187.14/3,863,143.30 - Step 6: Final answer
x = 4,855,247.99
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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.