Finding the Fourth Proportional to 2,145,163.44, 3,217,727.40 and 865,751.28
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Solution
The fourth proportional to 2,145,163.44, 3,217,727.40 and 865,751.28 is: 1,298,619.75
Step by Step Solution
- Step 1: Write the proportion equation
2,145,163.44 : 3,217,727.40 = 865,751.28 : x - Step 2: Convert to fraction form
2,145,163.44/3,217,727.40 = 865,751.28/x - Step 3: Cross multiply
2,145,163.44x = 3,217,727.40 × 865,751.28 - Step 4: Simplify right side
2,145,163.44x = 2,785,751,615,241.07 - Step 5: Solve for x
x = 2,785,751,615,241.07/2,145,163.44 - Step 6: Final answer
x = 1,298,619.75
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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.