Finding the Fourth Proportional to 3,072,445.26, 4,239,652.92 and 1,695,763.62
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Solution
The fourth proportional to 3,072,445.26, 4,239,652.92 and 1,695,763.62 is: 2,339,976.33
Step by Step Solution
- Step 1: Write the proportion equation
3,072,445.26 : 4,239,652.92 = 1,695,763.62 : x - Step 2: Convert to fraction form
3,072,445.26/4,239,652.92 = 1,695,763.62/x - Step 3: Cross multiply
3,072,445.26x = 4,239,652.92 × 1,695,763.62 - Step 4: Simplify right side
3,072,445.26x = 7,189,449,183,162.77 - Step 5: Solve for x
x = 7,189,449,183,162.77/3,072,445.26 - Step 6: Final answer
x = 2,339,976.33
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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.