Finding the Fourth Proportional to 5,396,777.08, 7,448,473.74 and 3,221,432.44
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Solution
The fourth proportional to 5,396,777.08, 7,448,473.74 and 3,221,432.44 is: 4,446,126.75
Step by Step Solution
- Step 1: Write the proportion equation
5,396,777.08 : 7,448,473.74 = 3,221,432.44 : x - Step 2: Convert to fraction form
5,396,777.08/7,448,473.74 = 3,221,432.44/x - Step 3: Cross multiply
5,396,777.08x = 7,448,473.74 × 3,221,432.44 - Step 4: Simplify right side
5,396,777.08x = 23,994,754,934,524.12 - Step 5: Solve for x
x = 23,994,754,934,524.12/5,396,777.08 - Step 6: Final answer
x = 4,446,126.75
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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.