Finding the Fourth Proportional to 5,491,380.24, 7,575,541.74 and 3,455,312.40
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Solution
The fourth proportional to 5,491,380.24, 7,575,541.74 and 3,455,312.40 is: 4,766,718.41
Step by Step Solution
- Step 1: Write the proportion equation
5,491,380.24 : 7,575,541.74 = 3,455,312.40 : x - Step 2: Convert to fraction form
5,491,380.24/7,575,541.74 = 3,455,312.40/x - Step 3: Cross multiply
5,491,380.24x = 7,575,541.74 × 3,455,312.40 - Step 4: Simplify right side
5,491,380.24x = 26,175,863,310,939.57 - Step 5: Solve for x
x = 26,175,863,310,939.57/5,491,380.24 - Step 6: Final answer
x = 4,766,718.41
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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.