Finding the Fourth Proportional to 3,446,168.08, 4,755,633.12 and 2,157,718.88
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Solution
The fourth proportional to 3,446,168.08, 4,755,633.12 and 2,157,718.88 is: 2,977,602.70
Step by Step Solution
- Step 1: Write the proportion equation
3,446,168.08 : 4,755,633.12 = 2,157,718.88 : x - Step 2: Convert to fraction form
3,446,168.08/4,755,633.12 = 2,157,718.88/x - Step 3: Cross multiply
3,446,168.08x = 4,755,633.12 × 2,157,718.88 - Step 4: Simplify right side
3,446,168.08x = 10,261,319,369,377.30 - Step 5: Solve for x
x = 10,261,319,369,377.30/3,446,168.08 - Step 6: Final answer
x = 2,977,602.70
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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.