Finding the Fourth Proportional to 2,930,734.10, 4,396,101.15 and 2,664,794.90
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Solution
The fourth proportional to 2,930,734.10, 4,396,101.15 and 2,664,794.90 is: 3,997,192.35
Step by Step Solution
- Step 1: Write the proportion equation
2,930,734.10 : 4,396,101.15 = 2,664,794.90 : x - Step 2: Convert to fraction form
2,930,734.10/4,396,101.15 = 2,664,794.90/x - Step 3: Cross multiply
2,930,734.10x = 4,396,101.15 × 2,664,794.90 - Step 4: Simplify right side
2,930,734.10x = 11,714,707,924,404.13 - Step 5: Solve for x
x = 11,714,707,924,404.13/2,930,734.10 - Step 6: Final answer
x = 3,997,192.35
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1.5x scale
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.