Finding the Fourth Proportional to 2,568,780, 3,544,917.93 and 1,407,268.49
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Solution
The fourth proportional to 2,568,780, 3,544,917.93 and 1,407,268.49 is: 1,942,031.35
Step by Step Solution
- Step 1: Write the proportion equation
2,568,780 : 3,544,917.93 = 1,407,268.49 : x - Step 2: Convert to fraction form
2,568,780/3,544,917.93 = 1,407,268.49/x - Step 3: Cross multiply
2,568,780x = 3,544,917.93 × 1,407,268.49 - Step 4: Simplify right side
2,568,780x = 4,988,651,284,800.44 - Step 5: Solve for x
x = 4,988,651,284,800.44/2,568,780 - Step 6: Final answer
x = 1,942,031.35
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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.