Finding the Fourth Proportional to 4,861,478.39, 6,708,975.51 and 2,686,161.72
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Solution
The fourth proportional to 4,861,478.39, 6,708,975.51 and 2,686,161.72 is: 3,706,977.96
Step by Step Solution
- Step 1: Write the proportion equation
4,861,478.39 : 6,708,975.51 = 2,686,161.72 : x - Step 2: Convert to fraction form
4,861,478.39/6,708,975.51 = 2,686,161.72/x - Step 3: Cross multiply
4,861,478.39x = 6,708,975.51 × 2,686,161.72 - Step 4: Simplify right side
4,861,478.39x = 18,021,393,215,501.58 - Step 5: Solve for x
x = 18,021,393,215,501.58/4,861,478.39 - Step 6: Final answer
x = 3,706,977.96
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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.