Finding the Fourth Proportional to 2,210,128.80, 3,313,249.20 and 1,497,847.20
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Solution
The fourth proportional to 2,210,128.80, 3,313,249.20 and 1,497,847.20 is: 2,245,453.31
Step by Step Solution
- Step 1: Write the proportion equation
2,210,128.80 : 3,313,249.20 = 1,497,847.20 : x - Step 2: Convert to fraction form
2,210,128.80/3,313,249.20 = 1,497,847.20/x - Step 3: Cross multiply
2,210,128.80x = 3,313,249.20 × 1,497,847.20 - Step 4: Simplify right side
2,210,128.80x = 4,962,741,037,122.24 - Step 5: Solve for x
x = 4,962,741,037,122.24/2,210,128.80 - Step 6: Final answer
x = 2,245,453.31
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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.