Finding the Fourth Proportional to 2,190,404.60, 3,285,299.70 and 694,647.80
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Solution
The fourth proportional to 2,190,404.60, 3,285,299.70 and 694,647.80 is: 1,041,874.28
Step by Step Solution
- Step 1: Write the proportion equation
2,190,404.60 : 3,285,299.70 = 694,647.80 : x - Step 2: Convert to fraction form
2,190,404.60/3,285,299.70 = 694,647.80/x - Step 3: Cross multiply
2,190,404.60x = 3,285,299.70 × 694,647.80 - Step 4: Simplify right side
2,190,404.60x = 2,282,126,208,945.66 - Step 5: Solve for x
x = 2,282,126,208,945.66/2,190,404.60 - Step 6: Final answer
x = 1,041,874.28
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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.