Finding the Fourth Proportional to 3,485,489.68, 5,228,238.60 and 1,089,346.87
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Solution
The fourth proportional to 3,485,489.68, 5,228,238.60 and 1,089,346.87 is: 1,634,021.58
Step by Step Solution
- Step 1: Write the proportion equation
3,485,489.68 : 5,228,238.60 = 1,089,346.87 : x - Step 2: Convert to fraction form
3,485,489.68/5,228,238.60 = 1,089,346.87/x - Step 3: Cross multiply
3,485,489.68x = 5,228,238.60 × 1,089,346.87 - Step 4: Simplify right side
3,485,489.68x = 5,695,365,341,452.59 - Step 5: Solve for x
x = 5,695,365,341,452.59/3,485,489.68 - Step 6: Final answer
x = 1,634,021.58
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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.