Finding the Fourth Proportional to 4,839,975.35, 6,679,556.39 and 2,775,183.02
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Solution
The fourth proportional to 4,839,975.35, 6,679,556.39 and 2,775,183.02 is: 3,829,976.42
Step by Step Solution
- Step 1: Write the proportion equation
4,839,975.35 : 6,679,556.39 = 2,775,183.02 : x - Step 2: Convert to fraction form
4,839,975.35/6,679,556.39 = 2,775,183.02/x - Step 3: Cross multiply
4,839,975.35x = 6,679,556.39 × 2,775,183.02 - Step 4: Simplify right side
4,839,975.35x = 18,536,991,473,249.01 - Step 5: Solve for x
x = 18,536,991,473,249.01/4,839,975.35 - Step 6: Final answer
x = 3,829,976.42
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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.