Finding the Fourth Proportional to 5,176,214.16, 7,764,321.24 and 1,581,991.44
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Solution
The fourth proportional to 5,176,214.16, 7,764,321.24 and 1,581,991.44 is: 2,372,987.16
Step by Step Solution
- Step 1: Write the proportion equation
5,176,214.16 : 7,764,321.24 = 1,581,991.44 : x - Step 2: Convert to fraction form
5,176,214.16/7,764,321.24 = 1,581,991.44/x - Step 3: Cross multiply
5,176,214.16x = 7,764,321.24 × 1,581,991.44 - Step 4: Simplify right side
5,176,214.16x = 12,283,089,739,090.19 - Step 5: Solve for x
x = 12,283,089,739,090.19/5,176,214.16 - Step 6: Final answer
x = 2,372,987.16
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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.