Finding the Fourth Proportional to 5,338,125.46, 7,366,617.13 and 2,890,739.19
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Solution
The fourth proportional to 5,338,125.46, 7,366,617.13 and 2,890,739.19 is: 3,989,222.25
Step by Step Solution
- Step 1: Write the proportion equation
5,338,125.46 : 7,366,617.13 = 2,890,739.19 : x - Step 2: Convert to fraction form
5,338,125.46/7,366,617.13 = 2,890,739.19/x - Step 3: Cross multiply
5,338,125.46x = 7,366,617.13 × 2,890,739.19 - Step 4: Simplify right side
5,338,125.46x = 21,294,968,835,416.32 - Step 5: Solve for x
x = 21,294,968,835,416.32/5,338,125.46 - Step 6: Final answer
x = 3,989,222.25
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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.