Finding the Fourth Proportional to 3,485,494.92, 5,228,246.49 and 1,089,352.11
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Solution
The fourth proportional to 3,485,494.92, 5,228,246.49 and 1,089,352.11 is: 1,634,029.45
Step by Step Solution
- Step 1: Write the proportion equation
3,485,494.92 : 5,228,246.49 = 1,089,352.11 : x - Step 2: Convert to fraction form
3,485,494.92/5,228,246.49 = 1,089,352.11/x - Step 3: Cross multiply
3,485,494.92x = 5,228,246.49 × 1,089,352.11 - Step 4: Simplify right side
3,485,494.92x = 5,695,401,345,481.60 - Step 5: Solve for x
x = 5,695,401,345,481.60/3,485,494.92 - Step 6: Final answer
x = 1,634,029.45
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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.