Finding the Fourth Proportional to 4,311,893.12, 6,472,325.75 and 3,175,937.96
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Solution
The fourth proportional to 4,311,893.12, 6,472,325.75 and 3,175,937.96 is: 4,767,211.16
Step by Step Solution
- Step 1: Write the proportion equation
4,311,893.12 : 6,472,325.75 = 3,175,937.96 : x - Step 2: Convert to fraction form
4,311,893.12/6,472,325.75 = 3,175,937.96/x - Step 3: Cross multiply
4,311,893.12x = 6,472,325.75 × 3,175,937.96 - Step 4: Simplify right side
4,311,893.12x = 20,555,704,990,669.15 - Step 5: Solve for x
x = 20,555,704,990,669.15/4,311,893.12 - Step 6: Final answer
x = 4,767,211.16
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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.