Finding the Fourth Proportional to 3,485,495.80, 5,228,247.80 and 1,089,352.99
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Solution
The fourth proportional to 3,485,495.80, 5,228,247.80 and 1,089,352.99 is: 1,634,030.77
Step by Step Solution
- Step 1: Write the proportion equation
3,485,495.80 : 5,228,247.80 = 1,089,352.99 : x - Step 2: Convert to fraction form
3,485,495.80/5,228,247.80 = 1,089,352.99/x - Step 3: Cross multiply
3,485,495.80x = 5,228,247.80 × 1,089,352.99 - Step 4: Simplify right side
3,485,495.80x = 5,695,407,373,390.92 - Step 5: Solve for x
x = 5,695,407,373,390.92/3,485,495.80 - Step 6: Final answer
x = 1,634,030.77
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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.