Finding the Fourth Proportional to 2,568,713.77, 3,544,538.93 and 1,422,507.07
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Solution
The fourth proportional to 2,568,713.77, 3,544,538.93 and 1,422,507.07 is: 1,962,901.33
Step by Step Solution
- Step 1: Write the proportion equation
2,568,713.77 : 3,544,538.93 = 1,422,507.07 : x - Step 2: Convert to fraction form
2,568,713.77/3,544,538.93 = 1,422,507.07/x - Step 3: Cross multiply
2,568,713.77x = 3,544,538.93 × 1,422,507.07 - Step 4: Simplify right side
2,568,713.77x = 5,042,131,671,841.35 - Step 5: Solve for x
x = 5,042,131,671,841.35/2,568,713.77 - Step 6: Final answer
x = 1,962,901.33
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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.