Finding the Fourth Proportional to 5,660,853.56, 7,809,926.28 and 3,212,046.44
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Solution
The fourth proportional to 5,660,853.56, 7,809,926.28 and 3,212,046.44 is: 4,431,459.96
Step by Step Solution
- Step 1: Write the proportion equation
5,660,853.56 : 7,809,926.28 = 3,212,046.44 : x - Step 2: Convert to fraction form
5,660,853.56/7,809,926.28 = 3,212,046.44/x - Step 3: Cross multiply
5,660,853.56x = 7,809,926.28 × 3,212,046.44 - Step 4: Simplify right side
5,660,853.56x = 25,085,845,904,336.45 - Step 5: Solve for x
x = 25,085,845,904,336.45/5,660,853.56 - Step 6: Final answer
x = 4,431,459.96
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1.5x scale
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.