Finding the Fourth Proportional to 3,698,575.20, 5,544,363.60 and 2,183,421.60
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Solution
The fourth proportional to 3,698,575.20, 5,544,363.60 and 2,183,421.60 is: 3,273,066.68
Step by Step Solution
- Step 1: Write the proportion equation
3,698,575.20 : 5,544,363.60 = 2,183,421.60 : x - Step 2: Convert to fraction form
3,698,575.20/5,544,363.60 = 2,183,421.60/x - Step 3: Cross multiply
3,698,575.20x = 5,544,363.60 × 2,183,421.60 - Step 4: Simplify right side
3,698,575.20x = 12,105,683,242,493.76 - Step 5: Solve for x
x = 12,105,683,242,493.76/3,698,575.20 - Step 6: Final answer
x = 3,273,066.68
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1.5x scale
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.