Finding the Fourth Proportional to 5,743,829.16, 7,926,128.10 and 3,165,365.88
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Solution
The fourth proportional to 5,743,829.16, 7,926,128.10 and 3,165,365.88 is: 4,368,008.65
Step by Step Solution
- Step 1: Write the proportion equation
5,743,829.16 : 7,926,128.10 = 3,165,365.88 : x - Step 2: Convert to fraction form
5,743,829.16/7,926,128.10 = 3,165,365.88/x - Step 3: Cross multiply
5,743,829.16x = 7,926,128.10 × 3,165,365.88 - Step 4: Simplify right side
5,743,829.16x = 25,089,095,448,249.23 - Step 5: Solve for x
x = 25,089,095,448,249.23/5,743,829.16 - Step 6: Final answer
x = 4,368,008.65
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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.