Finding the Fourth Proportional to 2,272,354.18, 3,137,691.11 and 2,169,608.92
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Solution
The fourth proportional to 2,272,354.18, 3,137,691.11 and 2,169,608.92 is: 2,995,819.34
Step by Step Solution
- Step 1: Write the proportion equation
2,272,354.18 : 3,137,691.11 = 2,169,608.92 : x - Step 2: Convert to fraction form
2,272,354.18/3,137,691.11 = 2,169,608.92/x - Step 3: Cross multiply
2,272,354.18x = 3,137,691.11 × 2,169,608.92 - Step 4: Simplify right side
2,272,354.18x = 6,807,562,601,768.43 - Step 5: Solve for x
x = 6,807,562,601,768.43/2,272,354.18 - Step 6: Final answer
x = 2,995,819.34
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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.