Finding the Fourth Proportional to 3,485,491.92, 5,228,241.99 and 1,089,349.11
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Solution
The fourth proportional to 3,485,491.92, 5,228,241.99 and 1,089,349.11 is: 1,634,024.95
Step by Step Solution
- Step 1: Write the proportion equation
3,485,491.92 : 5,228,241.99 = 1,089,349.11 : x - Step 2: Convert to fraction form
3,485,491.92/5,228,241.99 = 1,089,349.11/x - Step 3: Cross multiply
3,485,491.92x = 5,228,241.99 × 1,089,349.11 - Step 4: Simplify right side
3,485,491.92x = 5,695,380,758,671.13 - Step 5: Solve for x
x = 5,695,380,758,671.13/3,485,491.92 - Step 6: Final answer
x = 1,634,024.95
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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.