Finding the Fourth Proportional to 3,543,288.97, 5,321,335.74 and 3,258,454.09
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Solution
The fourth proportional to 3,543,288.97, 5,321,335.74 and 3,258,454.09 is: 4,893,568.76
Step by Step Solution
- Step 1: Write the proportion equation
3,543,288.97 : 5,321,335.74 = 3,258,454.09 : x - Step 2: Convert to fraction form
3,543,288.97/5,321,335.74 = 3,258,454.09/x - Step 3: Cross multiply
3,543,288.97x = 5,321,335.74 × 3,258,454.09 - Step 4: Simplify right side
3,543,288.97x = 17,339,328,206,266.18 - Step 5: Solve for x
x = 17,339,328,206,266.18/3,543,288.97 - Step 6: Final answer
x = 4,893,568.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.