Finding the Fourth Proportional to 5,137,349.01, 7,089,541.50 and 2,845,657.32
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Solution
The fourth proportional to 5,137,349.01, 7,089,541.50 and 2,845,657.32 is: 3,927,007.03
Step by Step Solution
- Step 1: Write the proportion equation
5,137,349.01 : 7,089,541.50 = 2,845,657.32 : x - Step 2: Convert to fraction form
5,137,349.01/7,089,541.50 = 2,845,657.32/x - Step 3: Cross multiply
5,137,349.01x = 7,089,541.50 × 2,845,657.32 - Step 4: Simplify right side
5,137,349.01x = 20,174,405,664,918.78 - Step 5: Solve for x
x = 20,174,405,664,918.78/5,137,349.01 - Step 6: Final answer
x = 3,927,007.03
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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.