Finding the Fourth Proportional to 3,105,140.99, 4,285,050.68 and 1,747,010.75
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Solution
The fourth proportional to 3,105,140.99, 4,285,050.68 and 1,747,010.75 is: 2,410,850.14
Step by Step Solution
- Step 1: Write the proportion equation
3,105,140.99 : 4,285,050.68 = 1,747,010.75 : x - Step 2: Convert to fraction form
3,105,140.99/4,285,050.68 = 1,747,010.75/x - Step 3: Cross multiply
3,105,140.99x = 4,285,050.68 × 1,747,010.75 - Step 4: Simplify right side
3,105,140.99x = 7,486,029,593,519.76 - Step 5: Solve for x
x = 7,486,029,593,519.76/3,105,140.99 - Step 6: Final answer
x = 2,410,850.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.