Finding the Fourth Proportional to 3,745,272.24, 5,167,005.12 and 2,175,136.74
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Solution
The fourth proportional to 3,745,272.24, 5,167,005.12 and 2,175,136.74 is: 3,000,834.64
Step by Step Solution
- Step 1: Write the proportion equation
3,745,272.24 : 5,167,005.12 = 2,175,136.74 : x - Step 2: Convert to fraction form
3,745,272.24/5,167,005.12 = 2,175,136.74/x - Step 3: Cross multiply
3,745,272.24x = 5,167,005.12 × 2,175,136.74 - Step 4: Simplify right side
3,745,272.24x = 11,238,942,672,280.11 - Step 5: Solve for x
x = 11,238,942,672,280.11/3,745,272.24 - Step 6: Final answer
x = 3,000,834.64
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1.5x scale
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.