Finding the Fourth Proportional to 4,220,534.70, 5,824,329.66 and 2,286,847.62
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Solution
The fourth proportional to 4,220,534.70, 5,824,329.66 and 2,286,847.62 is: 3,155,845.26
Step by Step Solution
- Step 1: Write the proportion equation
4,220,534.70 : 5,824,329.66 = 2,286,847.62 : x - Step 2: Convert to fraction form
4,220,534.70/5,824,329.66 = 2,286,847.62/x - Step 3: Cross multiply
4,220,534.70x = 5,824,329.66 × 2,286,847.62 - Step 4: Simplify right side
4,220,534.70x = 13,319,354,421,066.41 - Step 5: Solve for x
x = 13,319,354,421,066.41/4,220,534.70 - Step 6: Final answer
x = 3,155,845.26
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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.