Finding the Fourth Proportional to 5,250,796.13, 7,876,194.20 and 1,261,708.13
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Solution
The fourth proportional to 5,250,796.13, 7,876,194.20 and 1,261,708.13 is: 1,892,562.19
Step by Step Solution
- Step 1: Write the proportion equation
5,250,796.13 : 7,876,194.20 = 1,261,708.13 : x - Step 2: Convert to fraction form
5,250,796.13/7,876,194.20 = 1,261,708.13/x - Step 3: Cross multiply
5,250,796.13x = 7,876,194.20 × 1,261,708.13 - Step 4: Simplify right side
5,250,796.13x = 9,937,458,209,909.33 - Step 5: Solve for x
x = 9,937,458,209,909.33/5,250,796.13 - Step 6: Final answer
x = 1,892,562.19
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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.