Finding the Fourth Proportional to 5,531,995.44, 7,635,162.06 and 3,210,373.44
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Solution
The fourth proportional to 5,531,995.44, 7,635,162.06 and 3,210,373.44 is: 4,430,900.52
Step by Step Solution
- Step 1: Write the proportion equation
5,531,995.44 : 7,635,162.06 = 3,210,373.44 : x - Step 2: Convert to fraction form
5,531,995.44/7,635,162.06 = 3,210,373.44/x - Step 3: Cross multiply
5,531,995.44x = 7,635,162.06 × 3,210,373.44 - Step 4: Simplify right side
5,531,995.44x = 24,511,721,487,519.68 - Step 5: Solve for x
x = 24,511,721,487,519.68/5,531,995.44 - Step 6: Final answer
x = 4,430,900.52
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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.