Finding the Fourth Proportional to 2,928,040.26, 4,040,653.68 and 1,621,167.09
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Solution
The fourth proportional to 2,928,040.26, 4,040,653.68 and 1,621,167.09 is: 2,237,187.40
Step by Step Solution
- Step 1: Write the proportion equation
2,928,040.26 : 4,040,653.68 = 1,621,167.09 : x - Step 2: Convert to fraction form
2,928,040.26/4,040,653.68 = 1,621,167.09/x - Step 3: Cross multiply
2,928,040.26x = 4,040,653.68 × 1,621,167.09 - Step 4: Simplify right side
2,928,040.26x = 6,550,574,768,103.39 - Step 5: Solve for x
x = 6,550,574,768,103.39/2,928,040.26 - Step 6: Final answer
x = 2,237,187.40
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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.