Finding the Fourth Proportional to 5,550,769.12, 7,659,638.64 and 3,375,010.24
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Solution
The fourth proportional to 5,550,769.12, 7,659,638.64 and 3,375,010.24 is: 4,657,257.09
Step by Step Solution
- Step 1: Write the proportion equation
5,550,769.12 : 7,659,638.64 = 3,375,010.24 : x - Step 2: Convert to fraction form
5,550,769.12/7,659,638.64 = 3,375,010.24/x - Step 3: Cross multiply
5,550,769.12x = 7,659,638.64 × 3,375,010.24 - Step 4: Simplify right side
5,550,769.12x = 25,851,358,844,699.68 - Step 5: Solve for x
x = 25,851,358,844,699.68/5,550,769.12 - Step 6: Final answer
x = 4,657,257.09
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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.